2155114520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 5521824000

約数和(自身を除く): 3366709480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 331, 380, 494, 520, 659, 662, 760, 988, 1235, 1318, 1324, 1655, 1976, 2470, 2636, 2648, 3295, 3310, 4303, 4940, 5272, 6289, 6590, 6620, 8567, 8606, 9880, 12521, 12578, 13180, 13240, 17134, 17212, 21515, 25042, 25156, 26360, 31445, 34268, 34424, 42835, 43030, 50084, 50312, 62605, 62890, 68536, 81757, 85670, 86060, 100168, 125210, 125780, 162773, 163514, 171340, 172120, 218129, 250420, 251560, 325546, 327028, 342680, 408785, 436258, 500840, 651092, 654056, 813865, 817570, 872516, 1090645, 1302184, 1627730, 1635140, 1745032, 2181290, 2835677, 3255460, 3270280, 4144451, 4362580, 5671354, 6510920, 8288902, 8725160, 11342708, 14178385, 16577804, 20722255, 22685416, 28356770, 33155608, 41444510, 53877863, 56713540, 82889020, 107755726, 113427080, 165778040, 215511452, 269389315, 431022904, 538778630, 1077557260, 2155114520]

約数ペア:

[(1, 2155114520), (2, 1077557260), (4, 538778630), (5, 431022904), (8, 269389315), (10, 215511452), (13, 165778040), (19, 113427080), (20, 107755726), (26, 82889020), (38, 56713540), (40, 53877863), (52, 41444510), (65, 33155608), (76, 28356770), (95, 22685416), (104, 20722255), (130, 16577804), (152, 14178385), (190, 11342708), (247, 8725160), (260, 8288902), (331, 6510920), (380, 5671354), (494, 4362580), (520, 4144451), (659, 3270280), (662, 3255460), (760, 2835677), (988, 2181290), (1235, 1745032), (1318, 1635140), (1324, 1627730), (1655, 1302184), (1976, 1090645), (2470, 872516), (2636, 817570), (2648, 813865), (3295, 654056), (3310, 651092), (4303, 500840), (4940, 436258), (5272, 408785), (6289, 342680), (6590, 327028), (6620, 325546), (8567, 251560), (8606, 250420), (9880, 218129), (12521, 172120), (12578, 171340), (13180, 163514), (13240, 162773), (17134, 125780), (17212, 125210), (21515, 100168), (25042, 86060), (25156, 85670), (26360, 81757), (31445, 68536), (34268, 62890), (34424, 62605), (42835, 50312), (43030, 50084)]