30745220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 74995200

約数和(自身を除く): 44249980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 61, 79, 110, 116, 122, 145, 158, 220, 244, 290, 305, 316, 319, 395, 580, 610, 638, 671, 790, 869, 1220, 1276, 1342, 1580, 1595, 1738, 1769, 2291, 2684, 3190, 3355, 3476, 3538, 4345, 4582, 4819, 6380, 6710, 7076, 8690, 8845, 9164, 9638, 11455, 13420, 17380, 17690, 19276, 19459, 22910, 24095, 25201, 35380, 38918, 45820, 48190, 50402, 53009, 77836, 96380, 97295, 100804, 106018, 126005, 139751, 194590, 212036, 252010, 265045, 279502, 389180, 504020, 530090, 559004, 698755, 1060180, 1397510, 1537261, 2795020, 3074522, 6149044, 7686305, 15372610, 30745220]

約数ペア:

[(1, 30745220), (2, 15372610), (4, 7686305), (5, 6149044), (10, 3074522), (11, 2795020), (20, 1537261), (22, 1397510), (29, 1060180), (44, 698755), (55, 559004), (58, 530090), (61, 504020), (79, 389180), (110, 279502), (116, 265045), (122, 252010), (145, 212036), (158, 194590), (220, 139751), (244, 126005), (290, 106018), (305, 100804), (316, 97295), (319, 96380), (395, 77836), (580, 53009), (610, 50402), (638, 48190), (671, 45820), (790, 38918), (869, 35380), (1220, 25201), (1276, 24095), (1342, 22910), (1580, 19459), (1595, 19276), (1738, 17690), (1769, 17380), (2291, 13420), (2684, 11455), (3190, 9638), (3355, 9164), (3476, 8845), (3538, 8690), (4345, 7076), (4582, 6710), (4819, 6380)]