245186640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17923}}^1$

素因数の和:17961

約数の個数: 120

約数和(自身を含む): 866804640

約数和(自身を除く): 621618000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 17923, 35846, 53769, 71692, 89615, 107538, 143384, 161307, 179230, 215076, 268845, 286768, 322614, 340537, 358460, 430152, 537690, 645228, 681074, 716920, 806535, 860304, 1021611, 1075380, 1290456, 1362148, 1433840, 1613070, 1702685, 2043222, 2150760, 2580912, 2724296, 3064833, 3226140, 3405370, 4086444, 4301520, 5108055, 5448592, 6129666, 6452280, 6810740, 8172888, 10216110, 12259332, 12904560, 13621480, 15324165, 16345776, 20432220, 24518664, 27242960, 30648330, 40864440, 49037328, 61296660, 81728880, 122593320, 245186640]

約数ペア:

[(1, 245186640), (2, 122593320), (3, 81728880), (4, 61296660), (5, 49037328), (6, 40864440), (8, 30648330), (9, 27242960), (10, 24518664), (12, 20432220), (15, 16345776), (16, 15324165), (18, 13621480), (19, 12904560), (20, 12259332), (24, 10216110), (30, 8172888), (36, 6810740), (38, 6452280), (40, 6129666), (45, 5448592), (48, 5108055), (57, 4301520), (60, 4086444), (72, 3405370), (76, 3226140), (80, 3064833), (90, 2724296), (95, 2580912), (114, 2150760), (120, 2043222), (144, 1702685), (152, 1613070), (171, 1433840), (180, 1362148), (190, 1290456), (228, 1075380), (240, 1021611), (285, 860304), (304, 806535), (342, 716920), (360, 681074), (380, 645228), (456, 537690), (570, 430152), (684, 358460), (720, 340537), (760, 322614), (855, 286768), (912, 268845), (1140, 215076), (1368, 179230), (1520, 161307), (1710, 143384), (2280, 107538), (2736, 89615), (3420, 71692), (4560, 53769), (6840, 35846), (13680, 17923)]