255915660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4304

約数の個数: 192

約数和(自身を含む): 962325504

約数和(自身を除く): 706409844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 330, 364, 385, 390, 420, 429, 455, 462, 546, 572, 660, 715, 770, 780, 858, 910, 924, 1001, 1092, 1155, 1365, 1430, 1540, 1716, 1820, 2002, 2145, 2310, 2730, 2860, 3003, 4004, 4261, 4290, 4620, 5005, 5460, 6006, 8522, 8580, 10010, 12012, 12783, 15015, 17044, 20020, 21305, 25566, 29827, 30030, 42610, 46871, 51132, 55393, 59654, 60060, 63915, 85220, 89481, 93742, 110786, 119308, 127830, 140613, 149135, 166179, 178962, 187484, 221572, 234355, 255660, 276965, 281226, 298270, 328097, 332358, 357924, 387751, 447405, 468710, 553930, 562452, 596540, 609323, 656194, 664716, 703065, 775502, 830895, 894810, 937420, 984291, 1107860, 1163253, 1218646, 1312388, 1406130, 1551004, 1640485, 1661790, 1789620, 1827969, 1938755, 1968582, 2326506, 2437292, 2812260, 3046615, 3280970, 3323580, 3655938, 3877510, 3937164, 4265261, 4653012, 4921455, 5816265, 6093230, 6561940, 7311876, 7755020, 8530522, 9139845, 9842910, 11632530, 12186460, 12795783, 17061044, 18279690, 19685820, 21326305, 23265060, 25591566, 36559380, 42652610, 51183132, 63978915, 85305220, 127957830, 255915660]

約数ペア:

[(1, 255915660), (2, 127957830), (3, 85305220), (4, 63978915), (5, 51183132), (6, 42652610), (7, 36559380), (10, 25591566), (11, 23265060), (12, 21326305), (13, 19685820), (14, 18279690), (15, 17061044), (20, 12795783), (21, 12186460), (22, 11632530), (26, 9842910), (28, 9139845), (30, 8530522), (33, 7755020), (35, 7311876), (39, 6561940), (42, 6093230), (44, 5816265), (52, 4921455), (55, 4653012), (60, 4265261), (65, 3937164), (66, 3877510), (70, 3655938), (77, 3323580), (78, 3280970), (84, 3046615), (91, 2812260), (105, 2437292), (110, 2326506), (130, 1968582), (132, 1938755), (140, 1827969), (143, 1789620), (154, 1661790), (156, 1640485), (165, 1551004), (182, 1406130), (195, 1312388), (210, 1218646), (220, 1163253), (231, 1107860), (260, 984291), (273, 937420), (286, 894810), (308, 830895), (330, 775502), (364, 703065), (385, 664716), (390, 656194), (420, 609323), (429, 596540), (455, 562452), (462, 553930), (546, 468710), (572, 447405), (660, 387751), (715, 357924), (770, 332358), (780, 328097), (858, 298270), (910, 281226), (924, 276965), (1001, 255660), (1092, 234355), (1155, 221572), (1365, 187484), (1430, 178962), (1540, 166179), (1716, 149135), (1820, 140613), (2002, 127830), (2145, 119308), (2310, 110786), (2730, 93742), (2860, 89481), (3003, 85220), (4004, 63915), (4261, 60060), (4290, 59654), (4620, 55393), (5005, 51132), (5460, 46871), (6006, 42610), (8522, 30030), (8580, 29827), (10010, 25566), (12012, 21305), (12783, 20020), (15015, 17044)]