16881120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 60737040

約数和(自身を除く): 43855920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 617, 684, 720, 760, 855, 912, 1140, 1234, 1368, 1440, 1520, 1710, 1824, 1851, 2280, 2468, 2736, 3040, 3085, 3420, 3702, 4560, 4936, 5472, 5553, 6170, 6840, 7404, 9120, 9255, 9872, 11106, 11723, 12340, 13680, 14808, 18510, 19744, 22212, 23446, 24680, 27360, 27765, 29616, 35169, 37020, 44424, 46892, 49360, 55530, 58615, 59232, 70338, 74040, 88848, 93784, 98720, 105507, 111060, 117230, 140676, 148080, 175845, 177696, 187568, 211014, 222120, 234460, 281352, 296160, 351690, 375136, 422028, 444240, 468920, 527535, 562704, 703380, 844056, 888480, 937840, 1055070, 1125408, 1406760, 1688112, 1875680, 2110140, 2813520, 3376224, 4220280, 5627040, 8440560, 16881120]

約数ペア:

[(1, 16881120), (2, 8440560), (3, 5627040), (4, 4220280), (5, 3376224), (6, 2813520), (8, 2110140), (9, 1875680), (10, 1688112), (12, 1406760), (15, 1125408), (16, 1055070), (18, 937840), (19, 888480), (20, 844056), (24, 703380), (30, 562704), (32, 527535), (36, 468920), (38, 444240), (40, 422028), (45, 375136), (48, 351690), (57, 296160), (60, 281352), (72, 234460), (76, 222120), (80, 211014), (90, 187568), (95, 177696), (96, 175845), (114, 148080), (120, 140676), (144, 117230), (152, 111060), (160, 105507), (171, 98720), (180, 93784), (190, 88848), (228, 74040), (240, 70338), (285, 59232), (288, 58615), (304, 55530), (342, 49360), (360, 46892), (380, 44424), (456, 37020), (480, 35169), (570, 29616), (608, 27765), (617, 27360), (684, 24680), (720, 23446), (760, 22212), (855, 19744), (912, 18510), (1140, 14808), (1234, 13680), (1368, 12340), (1440, 11723), (1520, 11106), (1710, 9872), (1824, 9255), (1851, 9120), (2280, 7404), (2468, 6840), (2736, 6170), (3040, 5553), (3085, 5472), (3420, 4936), (3702, 4560)]