305557980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 1062125568

約数和(自身を除く): 756567588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 191, 195, 210, 260, 273, 293, 364, 382, 390, 420, 455, 546, 573, 586, 764, 780, 879, 910, 955, 1092, 1146, 1172, 1337, 1365, 1465, 1758, 1820, 1910, 2051, 2292, 2483, 2674, 2730, 2865, 2930, 3516, 3809, 3820, 4011, 4102, 4395, 4966, 5348, 5460, 5730, 5860, 6153, 6685, 7449, 7618, 8022, 8204, 8790, 9932, 10255, 11427, 11460, 12306, 12415, 13370, 14898, 15236, 16044, 17381, 17580, 19045, 20055, 20510, 22854, 24612, 24830, 26663, 26740, 29796, 30765, 34762, 37245, 38090, 40110, 41020, 45708, 49660, 52143, 53326, 55963, 57135, 61530, 69524, 74490, 76180, 79989, 80220, 86905, 104286, 106652, 111926, 114270, 123060, 133315, 148980, 159978, 167889, 173810, 208572, 223852, 228540, 260715, 266630, 279815, 319956, 335778, 347620, 391741, 399945, 521430, 533260, 559630, 671556, 727519, 783482, 799890, 839445, 1042860, 1119260, 1175223, 1455038, 1566964, 1599780, 1678890, 1958705, 2182557, 2350446, 2910076, 3357780, 3637595, 3917410, 4365114, 4700892, 5092633, 5876115, 7275190, 7834820, 8730228, 10185266, 10912785, 11752230, 14550380, 15277899, 20370532, 21825570, 23504460, 25463165, 30555798, 43651140, 50926330, 61111596, 76389495, 101852660, 152778990, 305557980]

約数ペア:

[(1, 305557980), (2, 152778990), (3, 101852660), (4, 76389495), (5, 61111596), (6, 50926330), (7, 43651140), (10, 30555798), (12, 25463165), (13, 23504460), (14, 21825570), (15, 20370532), (20, 15277899), (21, 14550380), (26, 11752230), (28, 10912785), (30, 10185266), (35, 8730228), (39, 7834820), (42, 7275190), (52, 5876115), (60, 5092633), (65, 4700892), (70, 4365114), (78, 3917410), (84, 3637595), (91, 3357780), (105, 2910076), (130, 2350446), (140, 2182557), (156, 1958705), (182, 1678890), (191, 1599780), (195, 1566964), (210, 1455038), (260, 1175223), (273, 1119260), (293, 1042860), (364, 839445), (382, 799890), (390, 783482), (420, 727519), (455, 671556), (546, 559630), (573, 533260), (586, 521430), (764, 399945), (780, 391741), (879, 347620), (910, 335778), (955, 319956), (1092, 279815), (1146, 266630), (1172, 260715), (1337, 228540), (1365, 223852), (1465, 208572), (1758, 173810), (1820, 167889), (1910, 159978), (2051, 148980), (2292, 133315), (2483, 123060), (2674, 114270), (2730, 111926), (2865, 106652), (2930, 104286), (3516, 86905), (3809, 80220), (3820, 79989), (4011, 76180), (4102, 74490), (4395, 69524), (4966, 61530), (5348, 57135), (5460, 55963), (5730, 53326), (5860, 52143), (6153, 49660), (6685, 45708), (7449, 41020), (7618, 40110), (8022, 38090), (8204, 37245), (8790, 34762), (9932, 30765), (10255, 29796), (11427, 26740), (11460, 26663), (12306, 24830), (12415, 24612), (13370, 22854), (14898, 20510), (15236, 20055), (16044, 19045), (17381, 17580)]