61441640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 153171000

約数和(自身を除く): 91729360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 149, 169, 244, 260, 298, 305, 338, 488, 520, 596, 610, 676, 745, 793, 845, 1192, 1220, 1352, 1490, 1586, 1690, 1937, 2440, 2980, 3172, 3380, 3874, 3965, 5960, 6344, 6760, 7748, 7930, 9089, 9685, 10309, 15496, 15860, 18178, 19370, 20618, 25181, 31720, 36356, 38740, 41236, 45445, 50362, 51545, 72712, 77480, 82472, 90890, 100724, 103090, 118157, 125905, 181780, 201448, 206180, 236314, 251810, 363560, 412360, 472628, 503620, 590785, 945256, 1007240, 1181570, 1536041, 2363140, 3072082, 4726280, 6144164, 7680205, 12288328, 15360410, 30720820, 61441640]

約数ペア:

[(1, 61441640), (2, 30720820), (4, 15360410), (5, 12288328), (8, 7680205), (10, 6144164), (13, 4726280), (20, 3072082), (26, 2363140), (40, 1536041), (52, 1181570), (61, 1007240), (65, 945256), (104, 590785), (122, 503620), (130, 472628), (149, 412360), (169, 363560), (244, 251810), (260, 236314), (298, 206180), (305, 201448), (338, 181780), (488, 125905), (520, 118157), (596, 103090), (610, 100724), (676, 90890), (745, 82472), (793, 77480), (845, 72712), (1192, 51545), (1220, 50362), (1352, 45445), (1490, 41236), (1586, 38740), (1690, 36356), (1937, 31720), (2440, 25181), (2980, 20618), (3172, 19370), (3380, 18178), (3874, 15860), (3965, 15496), (5960, 10309), (6344, 9685), (6760, 9089), (7748, 7930)]