2890108920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{3023}}^1$

素因数の和:3325

約数の個数: 128

約数和(自身を含む): 8987811840

約数和(自身を除く): 6097702920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 257, 310, 372, 465, 514, 620, 744, 771, 930, 1028, 1240, 1285, 1542, 1860, 2056, 2570, 3023, 3084, 3720, 3855, 5140, 6046, 6168, 7710, 7967, 9069, 10280, 12092, 15115, 15420, 15934, 18138, 23901, 24184, 30230, 30840, 31868, 36276, 39835, 45345, 47802, 60460, 63736, 72552, 79670, 90690, 93713, 95604, 119505, 120920, 159340, 181380, 187426, 191208, 239010, 281139, 318680, 362760, 374852, 468565, 478020, 562278, 749704, 776911, 937130, 956040, 1124556, 1405695, 1553822, 1874260, 2249112, 2330733, 2811390, 3107644, 3748520, 3884555, 4661466, 5622780, 6215288, 7769110, 9322932, 11245560, 11653665, 15538220, 18645864, 23307330, 24084241, 31076440, 46614660, 48168482, 72252723, 93229320, 96336964, 120421205, 144505446, 192673928, 240842410, 289010892, 361263615, 481684820, 578021784, 722527230, 963369640, 1445054460, 2890108920]

約数ペア:

[(1, 2890108920), (2, 1445054460), (3, 963369640), (4, 722527230), (5, 578021784), (6, 481684820), (8, 361263615), (10, 289010892), (12, 240842410), (15, 192673928), (20, 144505446), (24, 120421205), (30, 96336964), (31, 93229320), (40, 72252723), (60, 48168482), (62, 46614660), (93, 31076440), (120, 24084241), (124, 23307330), (155, 18645864), (186, 15538220), (248, 11653665), (257, 11245560), (310, 9322932), (372, 7769110), (465, 6215288), (514, 5622780), (620, 4661466), (744, 3884555), (771, 3748520), (930, 3107644), (1028, 2811390), (1240, 2330733), (1285, 2249112), (1542, 1874260), (1860, 1553822), (2056, 1405695), (2570, 1124556), (3023, 956040), (3084, 937130), (3720, 776911), (3855, 749704), (5140, 562278), (6046, 478020), (6168, 468565), (7710, 374852), (7967, 362760), (9069, 318680), (10280, 281139), (12092, 239010), (15115, 191208), (15420, 187426), (15934, 181380), (18138, 159340), (23901, 120920), (24184, 119505), (30230, 95604), (30840, 93713), (31868, 90690), (36276, 79670), (39835, 72552), (45345, 63736), (47802, 60460)]