261071460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 909941760

約数和(自身を除く): 648870300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 59, 60, 61, 62, 65, 78, 90, 93, 117, 118, 122, 124, 130, 155, 156, 177, 180, 183, 186, 195, 234, 236, 244, 260, 279, 295, 305, 310, 354, 366, 372, 390, 403, 465, 468, 531, 549, 558, 585, 590, 610, 620, 708, 732, 767, 780, 793, 806, 885, 915, 930, 1062, 1098, 1116, 1170, 1180, 1209, 1220, 1395, 1534, 1586, 1612, 1770, 1829, 1830, 1860, 1891, 2015, 2124, 2196, 2301, 2340, 2379, 2418, 2655, 2745, 2790, 3068, 3172, 3540, 3599, 3627, 3658, 3660, 3782, 3835, 3965, 4030, 4602, 4758, 4836, 5310, 5487, 5490, 5580, 5673, 6045, 6903, 7137, 7198, 7254, 7316, 7564, 7670, 7930, 8060, 9145, 9204, 9455, 9516, 10620, 10797, 10974, 10980, 11346, 11505, 11895, 12090, 13806, 14274, 14396, 14508, 15340, 15860, 16461, 17019, 17995, 18135, 18290, 18910, 21594, 21948, 22692, 23010, 23777, 23790, 24180, 24583, 27435, 27612, 28365, 28548, 32391, 32922, 34038, 34515, 35685, 35990, 36270, 36580, 37820, 43188, 46020, 46787, 47554, 47580, 49166, 53985, 54870, 56730, 64782, 65844, 68076, 69030, 71331, 71370, 71980, 72540, 73749, 82305, 85095, 93574, 95108, 98332, 107970, 109740, 111569, 113460, 118885, 122915, 129564, 138060, 140361, 142662, 142740, 147498, 161955, 164610, 170190, 187148, 213993, 215940, 221247, 223138, 233935, 237770, 245830, 280722, 285324, 294996, 323910, 329220, 334707, 340380, 356655, 368745, 421083, 427986, 442494, 446276, 467870, 475540, 491660, 557845, 561444, 647820, 669414, 701805, 713310, 737490, 842166, 855972, 884988, 935740, 1004121, 1069965, 1106235, 1115690, 1338828, 1403610, 1426620, 1450397, 1474980, 1673535, 1684332, 2008242, 2105415, 2139930, 2212470, 2231380, 2807220, 2900794, 3347070, 4016484, 4210830, 4279860, 4351191, 4424940, 5020605, 5801588, 6694140, 7251985, 8421660, 8702382, 10041210, 13053573, 14503970, 17404764, 20082420, 21755955, 26107146, 29007940, 43511910, 52214292, 65267865, 87023820, 130535730, 261071460]

約数ペア:

[(1, 261071460), (2, 130535730), (3, 87023820), (4, 65267865), (5, 52214292), (6, 43511910), (9, 29007940), (10, 26107146), (12, 21755955), (13, 20082420), (15, 17404764), (18, 14503970), (20, 13053573), (26, 10041210), (30, 8702382), (31, 8421660), (36, 7251985), (39, 6694140), (45, 5801588), (52, 5020605), (59, 4424940), (60, 4351191), (61, 4279860), (62, 4210830), (65, 4016484), (78, 3347070), (90, 2900794), (93, 2807220), (117, 2231380), (118, 2212470), (122, 2139930), (124, 2105415), (130, 2008242), (155, 1684332), (156, 1673535), (177, 1474980), (180, 1450397), (183, 1426620), (186, 1403610), (195, 1338828), (234, 1115690), (236, 1106235), (244, 1069965), (260, 1004121), (279, 935740), (295, 884988), (305, 855972), (310, 842166), (354, 737490), (366, 713310), (372, 701805), (390, 669414), (403, 647820), (465, 561444), (468, 557845), (531, 491660), (549, 475540), (558, 467870), (585, 446276), (590, 442494), (610, 427986), (620, 421083), (708, 368745), (732, 356655), (767, 340380), (780, 334707), (793, 329220), (806, 323910), (885, 294996), (915, 285324), (930, 280722), (1062, 245830), (1098, 237770), (1116, 233935), (1170, 223138), (1180, 221247), (1209, 215940), (1220, 213993), (1395, 187148), (1534, 170190), (1586, 164610), (1612, 161955), (1770, 147498), (1829, 142740), (1830, 142662), (1860, 140361), (1891, 138060), (2015, 129564), (2124, 122915), (2196, 118885), (2301, 113460), (2340, 111569), (2379, 109740), (2418, 107970), (2655, 98332), (2745, 95108), (2790, 93574), (3068, 85095), (3172, 82305), (3540, 73749), (3599, 72540), (3627, 71980), (3658, 71370), (3660, 71331), (3782, 69030), (3835, 68076), (3965, 65844), (4030, 64782), (4602, 56730), (4758, 54870), (4836, 53985), (5310, 49166), (5487, 47580), (5490, 47554), (5580, 46787), (5673, 46020), (6045, 43188), (6903, 37820), (7137, 36580), (7198, 36270), (7254, 35990), (7316, 35685), (7564, 34515), (7670, 34038), (7930, 32922), (8060, 32391), (9145, 28548), (9204, 28365), (9455, 27612), (9516, 27435), (10620, 24583), (10797, 24180), (10974, 23790), (10980, 23777), (11346, 23010), (11505, 22692), (11895, 21948), (12090, 21594), (13806, 18910), (14274, 18290), (14396, 18135), (14508, 17995), (15340, 17019), (15860, 16461)]