77983760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3373}}^1$

素因数の和:3420

約数の個数: 60

約数和(自身を含む): 192662148

約数和(自身を除く): 114678388

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3373, 4624, 5780, 6746, 11560, 13492, 16865, 23120, 26984, 33730, 53968, 57341, 67460, 114682, 134920, 229364, 269840, 286705, 458728, 573410, 917456, 974797, 1146820, 1949594, 2293640, 3899188, 4587280, 4873985, 7798376, 9747970, 15596752, 19495940, 38991880, 77983760]

約数ペア:

[(1, 77983760), (2, 38991880), (4, 19495940), (5, 15596752), (8, 9747970), (10, 7798376), (16, 4873985), (17, 4587280), (20, 3899188), (34, 2293640), (40, 1949594), (68, 1146820), (80, 974797), (85, 917456), (136, 573410), (170, 458728), (272, 286705), (289, 269840), (340, 229364), (578, 134920), (680, 114682), (1156, 67460), (1360, 57341), (1445, 53968), (2312, 33730), (2890, 26984), (3373, 23120), (4624, 16865), (5780, 13492), (6746, 11560)]