311220780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 989270016

約数和(自身を除く): 678049236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 61, 62, 65, 78, 93, 122, 124, 130, 155, 156, 183, 186, 195, 211, 244, 260, 305, 310, 366, 372, 390, 403, 422, 465, 610, 620, 633, 732, 780, 793, 806, 844, 915, 930, 1055, 1209, 1220, 1266, 1586, 1612, 1830, 1860, 1891, 2015, 2110, 2379, 2418, 2532, 2743, 3165, 3172, 3660, 3782, 3965, 4030, 4220, 4758, 4836, 5486, 5673, 6045, 6330, 6541, 7564, 7930, 8060, 8229, 9455, 9516, 10972, 11346, 11895, 12090, 12660, 12871, 13082, 13715, 15860, 16458, 18910, 19623, 22692, 23790, 24180, 24583, 25742, 26164, 27430, 28365, 32705, 32916, 37820, 38613, 39246, 41145, 47580, 49166, 51484, 54860, 56730, 64355, 65410, 73749, 77226, 78492, 82290, 85033, 98115, 98332, 113460, 122915, 128710, 130820, 147498, 154452, 164580, 167323, 170066, 193065, 196230, 245830, 255099, 257420, 294996, 334646, 340132, 368745, 386130, 392460, 399001, 425165, 491660, 501969, 510198, 669292, 737490, 772260, 798002, 836615, 850330, 1003938, 1020396, 1197003, 1275495, 1474980, 1596004, 1673230, 1700660, 1995005, 2007876, 2394006, 2509845, 2550990, 3346460, 3990010, 4788012, 5019690, 5101980, 5187013, 5985015, 7980020, 10039380, 10374026, 11970030, 15561039, 20748052, 23940060, 25935065, 31122078, 51870130, 62244156, 77805195, 103740260, 155610390, 311220780]

約数ペア:

[(1, 311220780), (2, 155610390), (3, 103740260), (4, 77805195), (5, 62244156), (6, 51870130), (10, 31122078), (12, 25935065), (13, 23940060), (15, 20748052), (20, 15561039), (26, 11970030), (30, 10374026), (31, 10039380), (39, 7980020), (52, 5985015), (60, 5187013), (61, 5101980), (62, 5019690), (65, 4788012), (78, 3990010), (93, 3346460), (122, 2550990), (124, 2509845), (130, 2394006), (155, 2007876), (156, 1995005), (183, 1700660), (186, 1673230), (195, 1596004), (211, 1474980), (244, 1275495), (260, 1197003), (305, 1020396), (310, 1003938), (366, 850330), (372, 836615), (390, 798002), (403, 772260), (422, 737490), (465, 669292), (610, 510198), (620, 501969), (633, 491660), (732, 425165), (780, 399001), (793, 392460), (806, 386130), (844, 368745), (915, 340132), (930, 334646), (1055, 294996), (1209, 257420), (1220, 255099), (1266, 245830), (1586, 196230), (1612, 193065), (1830, 170066), (1860, 167323), (1891, 164580), (2015, 154452), (2110, 147498), (2379, 130820), (2418, 128710), (2532, 122915), (2743, 113460), (3165, 98332), (3172, 98115), (3660, 85033), (3782, 82290), (3965, 78492), (4030, 77226), (4220, 73749), (4758, 65410), (4836, 64355), (5486, 56730), (5673, 54860), (6045, 51484), (6330, 49166), (6541, 47580), (7564, 41145), (7930, 39246), (8060, 38613), (8229, 37820), (9455, 32916), (9516, 32705), (10972, 28365), (11346, 27430), (11895, 26164), (12090, 25742), (12660, 24583), (12871, 24180), (13082, 23790), (13715, 22692), (15860, 19623), (16458, 18910)]