788978080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 2077723872

約数和(自身を除く): 1288745792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 83, 88, 110, 121, 160, 166, 176, 220, 242, 332, 352, 415, 440, 484, 491, 605, 664, 830, 880, 913, 968, 982, 1210, 1328, 1660, 1760, 1826, 1936, 1964, 2420, 2455, 2656, 3320, 3652, 3872, 3928, 4565, 4840, 4910, 5401, 6640, 7304, 7856, 9130, 9680, 9820, 10043, 10802, 13280, 14608, 15712, 18260, 19360, 19640, 20086, 21604, 27005, 29216, 36520, 39280, 40172, 40753, 43208, 50215, 54010, 59411, 73040, 78560, 80344, 81506, 86416, 100430, 108020, 118822, 146080, 160688, 163012, 172832, 200860, 203765, 216040, 237644, 297055, 321376, 326024, 401720, 407530, 432080, 448283, 475288, 594110, 652048, 803440, 815060, 864160, 896566, 950576, 1188220, 1304096, 1606880, 1630120, 1793132, 1901152, 2241415, 2376440, 3260240, 3586264, 4482830, 4752880, 4931113, 6520480, 7172528, 8965660, 9505760, 9862226, 14345056, 17931320, 19724452, 24655565, 35862640, 39448904, 49311130, 71725280, 78897808, 98622260, 157795616, 197244520, 394489040, 788978080]

約数ペア:

[(1, 788978080), (2, 394489040), (4, 197244520), (5, 157795616), (8, 98622260), (10, 78897808), (11, 71725280), (16, 49311130), (20, 39448904), (22, 35862640), (32, 24655565), (40, 19724452), (44, 17931320), (55, 14345056), (80, 9862226), (83, 9505760), (88, 8965660), (110, 7172528), (121, 6520480), (160, 4931113), (166, 4752880), (176, 4482830), (220, 3586264), (242, 3260240), (332, 2376440), (352, 2241415), (415, 1901152), (440, 1793132), (484, 1630120), (491, 1606880), (605, 1304096), (664, 1188220), (830, 950576), (880, 896566), (913, 864160), (968, 815060), (982, 803440), (1210, 652048), (1328, 594110), (1660, 475288), (1760, 448283), (1826, 432080), (1936, 407530), (1964, 401720), (2420, 326024), (2455, 321376), (2656, 297055), (3320, 237644), (3652, 216040), (3872, 203765), (3928, 200860), (4565, 172832), (4840, 163012), (4910, 160688), (5401, 146080), (6640, 118822), (7304, 108020), (7856, 100430), (9130, 86416), (9680, 81506), (9820, 80344), (10043, 78560), (10802, 73040), (13280, 59411), (14608, 54010), (15712, 50215), (18260, 43208), (19360, 40753), (19640, 40172), (20086, 39280), (21604, 36520), (27005, 29216)]