278484780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 935682048

約数和(自身を除く): 657197268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 73, 84, 93, 105, 124, 140, 146, 155, 186, 210, 217, 219, 292, 293, 310, 365, 372, 420, 434, 438, 465, 511, 586, 620, 651, 730, 868, 876, 879, 930, 1022, 1085, 1095, 1172, 1302, 1460, 1465, 1533, 1758, 1860, 2044, 2051, 2170, 2190, 2263, 2555, 2604, 2930, 3066, 3255, 3516, 4102, 4340, 4380, 4395, 4526, 5110, 5860, 6132, 6153, 6510, 6789, 7665, 8204, 8790, 9052, 9083, 10220, 10255, 11315, 12306, 13020, 13578, 15330, 15841, 17580, 18166, 20510, 21389, 22630, 24612, 27156, 27249, 30660, 30765, 31682, 33945, 36332, 41020, 42778, 45260, 45415, 47523, 54498, 61530, 63364, 63581, 64167, 67890, 79205, 85556, 90830, 95046, 106945, 108996, 123060, 127162, 128334, 135780, 136245, 149723, 158410, 181660, 190092, 190743, 213890, 237615, 254324, 256668, 272490, 299446, 316820, 317905, 320835, 381486, 427780, 449169, 475230, 544980, 598892, 635810, 641670, 663059, 748615, 762972, 898338, 950460, 953715, 1271620, 1283340, 1326118, 1497230, 1796676, 1907430, 1989177, 2245845, 2652236, 2994460, 3315295, 3814860, 3978354, 4491690, 4641413, 6630590, 7956708, 8983380, 9282826, 9945885, 13261180, 13924239, 18565652, 19891770, 23207065, 27848478, 39783540, 46414130, 55696956, 69621195, 92828260, 139242390, 278484780]

約数ペア:

[(1, 278484780), (2, 139242390), (3, 92828260), (4, 69621195), (5, 55696956), (6, 46414130), (7, 39783540), (10, 27848478), (12, 23207065), (14, 19891770), (15, 18565652), (20, 13924239), (21, 13261180), (28, 9945885), (30, 9282826), (31, 8983380), (35, 7956708), (42, 6630590), (60, 4641413), (62, 4491690), (70, 3978354), (73, 3814860), (84, 3315295), (93, 2994460), (105, 2652236), (124, 2245845), (140, 1989177), (146, 1907430), (155, 1796676), (186, 1497230), (210, 1326118), (217, 1283340), (219, 1271620), (292, 953715), (293, 950460), (310, 898338), (365, 762972), (372, 748615), (420, 663059), (434, 641670), (438, 635810), (465, 598892), (511, 544980), (586, 475230), (620, 449169), (651, 427780), (730, 381486), (868, 320835), (876, 317905), (879, 316820), (930, 299446), (1022, 272490), (1085, 256668), (1095, 254324), (1172, 237615), (1302, 213890), (1460, 190743), (1465, 190092), (1533, 181660), (1758, 158410), (1860, 149723), (2044, 136245), (2051, 135780), (2170, 128334), (2190, 127162), (2263, 123060), (2555, 108996), (2604, 106945), (2930, 95046), (3066, 90830), (3255, 85556), (3516, 79205), (4102, 67890), (4340, 64167), (4380, 63581), (4395, 63364), (4526, 61530), (5110, 54498), (5860, 47523), (6132, 45415), (6153, 45260), (6510, 42778), (6789, 41020), (7665, 36332), (8204, 33945), (8790, 31682), (9052, 30765), (9083, 30660), (10220, 27249), (10255, 27156), (11315, 24612), (12306, 22630), (13020, 21389), (13578, 20510), (15330, 18166), (15841, 17580)]