1491204780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 288

約数和(自身を含む): 5126005248

約数和(自身を除く): 3634800468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 61, 62, 65, 78, 90, 93, 117, 122, 124, 130, 155, 156, 180, 183, 186, 195, 234, 244, 260, 279, 305, 310, 337, 366, 372, 390, 403, 465, 468, 549, 558, 585, 610, 620, 674, 732, 780, 793, 806, 915, 930, 1011, 1098, 1116, 1170, 1209, 1220, 1348, 1395, 1586, 1612, 1685, 1830, 1860, 1891, 2015, 2022, 2196, 2340, 2379, 2418, 2745, 2790, 3033, 3172, 3370, 3627, 3660, 3782, 3965, 4030, 4044, 4381, 4758, 4836, 5055, 5490, 5580, 5673, 6045, 6066, 6740, 7137, 7254, 7564, 7930, 8060, 8762, 9455, 9516, 10110, 10447, 10980, 11346, 11895, 12090, 12132, 13143, 14274, 14508, 15165, 15860, 17019, 17524, 18135, 18910, 20220, 20557, 20894, 21905, 22692, 23790, 24180, 24583, 26286, 28365, 28548, 30330, 31341, 34038, 35685, 36270, 37820, 39429, 41114, 41788, 43810, 47580, 49166, 52235, 52572, 56730, 60660, 61671, 62682, 65715, 68076, 71370, 72540, 73749, 78858, 82228, 85095, 87620, 94023, 98332, 102785, 104470, 113460, 122915, 123342, 125364, 131430, 135811, 142740, 147498, 156705, 157716, 170190, 185013, 188046, 197145, 205570, 208940, 221247, 245830, 246684, 262860, 267241, 271622, 294996, 308355, 313410, 340380, 368745, 370026, 376092, 394290, 407433, 411140, 442494, 470115, 491660, 534482, 543244, 616710, 626820, 637267, 679055, 737490, 740052, 788580, 801723, 814866, 884988, 925065, 940230, 1068964, 1106235, 1222299, 1233420, 1274534, 1336205, 1358110, 1474980, 1603446, 1629732, 1850130, 1880460, 1911801, 2037165, 2212470, 2405169, 2444598, 2549068, 2672410, 2716220, 3186335, 3206892, 3700260, 3823602, 4008615, 4074330, 4424940, 4810338, 4889196, 5344820, 5735403, 6111495, 6372670, 7647204, 8017230, 8148660, 8284471, 9559005, 9620676, 11470806, 12025845, 12222990, 12745340, 16034460, 16568942, 19118010, 22941612, 24051690, 24445980, 24853413, 28677015, 33137884, 38236020, 41422355, 48103380, 49706826, 57354030, 74560239, 82844710, 99413652, 114708060, 124267065, 149120478, 165689420, 248534130, 298240956, 372801195, 497068260, 745602390, 1491204780]

約数ペア:

[(1, 1491204780), (2, 745602390), (3, 497068260), (4, 372801195), (5, 298240956), (6, 248534130), (9, 165689420), (10, 149120478), (12, 124267065), (13, 114708060), (15, 99413652), (18, 82844710), (20, 74560239), (26, 57354030), (30, 49706826), (31, 48103380), (36, 41422355), (39, 38236020), (45, 33137884), (52, 28677015), (60, 24853413), (61, 24445980), (62, 24051690), (65, 22941612), (78, 19118010), (90, 16568942), (93, 16034460), (117, 12745340), (122, 12222990), (124, 12025845), (130, 11470806), (155, 9620676), (156, 9559005), (180, 8284471), (183, 8148660), (186, 8017230), (195, 7647204), (234, 6372670), (244, 6111495), (260, 5735403), (279, 5344820), (305, 4889196), (310, 4810338), (337, 4424940), (366, 4074330), (372, 4008615), (390, 3823602), (403, 3700260), (465, 3206892), (468, 3186335), (549, 2716220), (558, 2672410), (585, 2549068), (610, 2444598), (620, 2405169), (674, 2212470), (732, 2037165), (780, 1911801), (793, 1880460), (806, 1850130), (915, 1629732), (930, 1603446), (1011, 1474980), (1098, 1358110), (1116, 1336205), (1170, 1274534), (1209, 1233420), (1220, 1222299), (1348, 1106235), (1395, 1068964), (1586, 940230), (1612, 925065), (1685, 884988), (1830, 814866), (1860, 801723), (1891, 788580), (2015, 740052), (2022, 737490), (2196, 679055), (2340, 637267), (2379, 626820), (2418, 616710), (2745, 543244), (2790, 534482), (3033, 491660), (3172, 470115), (3370, 442494), (3627, 411140), (3660, 407433), (3782, 394290), (3965, 376092), (4030, 370026), (4044, 368745), (4381, 340380), (4758, 313410), (4836, 308355), (5055, 294996), (5490, 271622), (5580, 267241), (5673, 262860), (6045, 246684), (6066, 245830), (6740, 221247), (7137, 208940), (7254, 205570), (7564, 197145), (7930, 188046), (8060, 185013), (8762, 170190), (9455, 157716), (9516, 156705), (10110, 147498), (10447, 142740), (10980, 135811), (11346, 131430), (11895, 125364), (12090, 123342), (12132, 122915), (13143, 113460), (14274, 104470), (14508, 102785), (15165, 98332), (15860, 94023), (17019, 87620), (17524, 85095), (18135, 82228), (18910, 78858), (20220, 73749), (20557, 72540), (20894, 71370), (21905, 68076), (22692, 65715), (23790, 62682), (24180, 61671), (24583, 60660), (26286, 56730), (28365, 52572), (28548, 52235), (30330, 49166), (31341, 47580), (34038, 43810), (35685, 41788), (36270, 41114), (37820, 39429)]