278428980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1549

約数の個数: 96

約数和(自身を含む): 812851200

約数和(自身を除く): 534422220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 107, 124, 155, 186, 214, 310, 321, 372, 428, 465, 535, 620, 642, 930, 1070, 1284, 1399, 1605, 1860, 2140, 2798, 3210, 3317, 4197, 5596, 6420, 6634, 6995, 8394, 9951, 13268, 13990, 16585, 16788, 19902, 20985, 27980, 33170, 39804, 41970, 43369, 49755, 66340, 83940, 86738, 99510, 130107, 149693, 173476, 199020, 216845, 260214, 299386, 433690, 449079, 520428, 598772, 650535, 748465, 867380, 898158, 1301070, 1496930, 1796316, 2245395, 2602140, 2993860, 4490790, 4640483, 8981580, 9280966, 13921449, 18561932, 23202415, 27842898, 46404830, 55685796, 69607245, 92809660, 139214490, 278428980]

約数ペア:

[(1, 278428980), (2, 139214490), (3, 92809660), (4, 69607245), (5, 55685796), (6, 46404830), (10, 27842898), (12, 23202415), (15, 18561932), (20, 13921449), (30, 9280966), (31, 8981580), (60, 4640483), (62, 4490790), (93, 2993860), (107, 2602140), (124, 2245395), (155, 1796316), (186, 1496930), (214, 1301070), (310, 898158), (321, 867380), (372, 748465), (428, 650535), (465, 598772), (535, 520428), (620, 449079), (642, 433690), (930, 299386), (1070, 260214), (1284, 216845), (1399, 199020), (1605, 173476), (1860, 149693), (2140, 130107), (2798, 99510), (3210, 86738), (3317, 83940), (4197, 66340), (5596, 49755), (6420, 43369), (6634, 41970), (6995, 39804), (8394, 33170), (9951, 27980), (13268, 20985), (13990, 19902), (16585, 16788)]