405871920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29669}}^1$

素因数の和:29707

約数の個数: 120

約数和(自身を含む): 1434841200

約数和(自身を除く): 1028969280

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, 29669, 59338, 89007, 118676, 148345, 178014, 237352, 267021, 296690, 356028, 445035, 474704, 534042, 563711, 593380, 712056, 890070, 1068084, 1127422, 1186760, 1335105, 1424112, 1691133, 1780140, 2136168, 2254844, 2373520, 2670210, 2818555, 3382266, 3560280, 4272336, 4509688, 5073399, 5340420, 5637110, 6764532, 7120560, 8455665, 9019376, 10146798, 10680840, 11274220, 13529064, 16911330, 20293596, 21361680, 22548440, 25366995, 27058128, 33822660, 40587192, 45096880, 50733990, 67645320, 81174384, 101467980, 135290640, 202935960, 405871920]

約数ペア:

[(1, 405871920), (2, 202935960), (3, 135290640), (4, 101467980), (5, 81174384), (6, 67645320), (8, 50733990), (9, 45096880), (10, 40587192), (12, 33822660), (15, 27058128), (16, 25366995), (18, 22548440), (19, 21361680), (20, 20293596), (24, 16911330), (30, 13529064), (36, 11274220), (38, 10680840), (40, 10146798), (45, 9019376), (48, 8455665), (57, 7120560), (60, 6764532), (72, 5637110), (76, 5340420), (80, 5073399), (90, 4509688), (95, 4272336), (114, 3560280), (120, 3382266), (144, 2818555), (152, 2670210), (171, 2373520), (180, 2254844), (190, 2136168), (228, 1780140), (240, 1691133), (285, 1424112), (304, 1335105), (342, 1186760), (360, 1127422), (380, 1068084), (456, 890070), (570, 712056), (684, 593380), (720, 563711), (760, 534042), (855, 474704), (912, 445035), (1140, 356028), (1368, 296690), (1520, 267021), (1710, 237352), (2280, 178014), (2736, 148345), (3420, 118676), (4560, 89007), (6840, 59338), (13680, 29669)]