19773720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 70567200

約数和(自身を除く): 50793480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 359, 360, 405, 408, 459, 510, 540, 612, 648, 680, 718, 765, 810, 918, 1020, 1077, 1080, 1224, 1377, 1436, 1530, 1620, 1795, 1836, 2040, 2154, 2295, 2754, 2872, 3060, 3231, 3240, 3590, 3672, 4308, 4590, 5385, 5508, 6103, 6120, 6462, 6885, 7180, 8616, 9180, 9693, 10770, 11016, 12206, 12924, 13770, 14360, 16155, 18309, 18360, 19386, 21540, 24412, 25848, 27540, 29079, 30515, 32310, 36618, 38772, 43080, 48465, 48824, 54927, 55080, 58158, 61030, 64620, 73236, 77544, 91545, 96930, 109854, 116316, 122060, 129240, 145395, 146472, 164781, 183090, 193860, 219708, 232632, 244120, 274635, 290790, 329562, 366180, 387720, 439416, 494343, 549270, 581580, 659124, 732360, 823905, 988686, 1098540, 1163160, 1318248, 1647810, 1977372, 2197080, 2471715, 3295620, 3954744, 4943430, 6591240, 9886860, 19773720]

約数ペア:

[(1, 19773720), (2, 9886860), (3, 6591240), (4, 4943430), (5, 3954744), (6, 3295620), (8, 2471715), (9, 2197080), (10, 1977372), (12, 1647810), (15, 1318248), (17, 1163160), (18, 1098540), (20, 988686), (24, 823905), (27, 732360), (30, 659124), (34, 581580), (36, 549270), (40, 494343), (45, 439416), (51, 387720), (54, 366180), (60, 329562), (68, 290790), (72, 274635), (81, 244120), (85, 232632), (90, 219708), (102, 193860), (108, 183090), (120, 164781), (135, 146472), (136, 145395), (153, 129240), (162, 122060), (170, 116316), (180, 109854), (204, 96930), (216, 91545), (255, 77544), (270, 73236), (306, 64620), (324, 61030), (340, 58158), (359, 55080), (360, 54927), (405, 48824), (408, 48465), (459, 43080), (510, 38772), (540, 36618), (612, 32310), (648, 30515), (680, 29079), (718, 27540), (765, 25848), (810, 24412), (918, 21540), (1020, 19386), (1077, 18360), (1080, 18309), (1224, 16155), (1377, 14360), (1436, 13770), (1530, 12924), (1620, 12206), (1795, 11016), (1836, 10770), (2040, 9693), (2154, 9180), (2295, 8616), (2754, 7180), (2872, 6885), (3060, 6462), (3231, 6120), (3240, 6103), (3590, 5508), (3672, 5385), (4308, 4590)]