325156520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 849623040

約数和(自身を除く): 524466520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 598, 620, 713, 806, 877, 920, 1196, 1240, 1426, 1495, 1612, 1754, 2015, 2392, 2852, 2990, 3224, 3508, 3565, 4030, 4385, 5704, 5980, 7016, 7130, 8060, 8770, 9269, 11401, 11960, 14260, 16120, 17540, 18538, 20171, 22802, 27187, 28520, 35080, 37076, 40342, 45604, 46345, 54374, 57005, 74152, 80684, 91208, 92690, 100855, 108748, 114010, 135935, 161368, 185380, 201710, 217496, 228020, 262223, 271870, 353431, 370760, 403420, 456040, 524446, 543740, 625301, 706862, 806840, 1048892, 1087480, 1250602, 1311115, 1413724, 1767155, 2097784, 2501204, 2622230, 2827448, 3126505, 3534310, 5002408, 5244460, 6253010, 7068620, 8128913, 10488920, 12506020, 14137240, 16257826, 25012040, 32515652, 40644565, 65031304, 81289130, 162578260, 325156520]

約数ペア:

[(1, 325156520), (2, 162578260), (4, 81289130), (5, 65031304), (8, 40644565), (10, 32515652), (13, 25012040), (20, 16257826), (23, 14137240), (26, 12506020), (31, 10488920), (40, 8128913), (46, 7068620), (52, 6253010), (62, 5244460), (65, 5002408), (92, 3534310), (104, 3126505), (115, 2827448), (124, 2622230), (130, 2501204), (155, 2097784), (184, 1767155), (230, 1413724), (248, 1311115), (260, 1250602), (299, 1087480), (310, 1048892), (403, 806840), (460, 706862), (520, 625301), (598, 543740), (620, 524446), (713, 456040), (806, 403420), (877, 370760), (920, 353431), (1196, 271870), (1240, 262223), (1426, 228020), (1495, 217496), (1612, 201710), (1754, 185380), (2015, 161368), (2392, 135935), (2852, 114010), (2990, 108748), (3224, 100855), (3508, 92690), (3565, 91208), (4030, 80684), (4385, 74152), (5704, 57005), (5980, 54374), (7016, 46345), (7130, 45604), (8060, 40342), (8770, 37076), (9269, 35080), (11401, 28520), (11960, 27187), (14260, 22802), (16120, 20171), (17540, 18538)]