19497294080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{15559}}^1$

素因数の和:15680

約数の個数: 144

約数和(自身を含む): 51523516800

約数和(自身を除く): 32026222720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 640, 704, 712, 880, 890, 979, 1280, 1408, 1424, 1760, 1780, 1958, 2816, 2848, 3520, 3560, 3916, 4895, 5696, 7040, 7120, 7832, 9790, 11392, 14080, 14240, 15559, 15664, 19580, 22784, 28480, 31118, 31328, 39160, 56960, 62236, 62656, 77795, 78320, 113920, 124472, 125312, 155590, 156640, 171149, 248944, 250624, 311180, 313280, 342298, 497888, 622360, 626560, 684596, 855745, 995776, 1244720, 1253120, 1369192, 1384751, 1711490, 1991552, 2489440, 2738384, 2769502, 3422980, 3983104, 4978880, 5476768, 5539004, 6845960, 6923755, 9957760, 10953536, 11078008, 13691920, 13847510, 15232261, 19915520, 21907072, 22156016, 27383840, 27695020, 30464522, 43814144, 44312032, 54767680, 55390040, 60929044, 76161305, 88624064, 109535360, 110780080, 121858088, 152322610, 177248128, 219070720, 221560160, 243716176, 304645220, 354496256, 443120320, 487432352, 609290440, 886240640, 974864704, 1218580880, 1772481280, 1949729408, 2437161760, 3899458816, 4874323520, 9748647040, 19497294080]

約数ペア:

[(1, 19497294080), (2, 9748647040), (4, 4874323520), (5, 3899458816), (8, 2437161760), (10, 1949729408), (11, 1772481280), (16, 1218580880), (20, 974864704), (22, 886240640), (32, 609290440), (40, 487432352), (44, 443120320), (55, 354496256), (64, 304645220), (80, 243716176), (88, 221560160), (89, 219070720), (110, 177248128), (128, 152322610), (160, 121858088), (176, 110780080), (178, 109535360), (220, 88624064), (256, 76161305), (320, 60929044), (352, 55390040), (356, 54767680), (440, 44312032), (445, 43814144), (640, 30464522), (704, 27695020), (712, 27383840), (880, 22156016), (890, 21907072), (979, 19915520), (1280, 15232261), (1408, 13847510), (1424, 13691920), (1760, 11078008), (1780, 10953536), (1958, 9957760), (2816, 6923755), (2848, 6845960), (3520, 5539004), (3560, 5476768), (3916, 4978880), (4895, 3983104), (5696, 3422980), (7040, 2769502), (7120, 2738384), (7832, 2489440), (9790, 1991552), (11392, 1711490), (14080, 1384751), (14240, 1369192), (15559, 1253120), (15664, 1244720), (19580, 995776), (22784, 855745), (28480, 684596), (31118, 626560), (31328, 622360), (39160, 497888), (56960, 342298), (62236, 313280), (62656, 311180), (77795, 250624), (78320, 248944), (113920, 171149), (124472, 156640), (125312, 155590)]