408984660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:703

約数の個数: 192

約数和(自身を含む): 1463293440

約数和(自身を除く): 1054308780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 257, 270, 315, 378, 420, 421, 514, 540, 630, 756, 771, 842, 945, 1028, 1260, 1263, 1285, 1542, 1684, 1799, 1890, 2105, 2313, 2526, 2570, 2947, 3084, 3598, 3780, 3789, 3855, 4210, 4626, 5052, 5140, 5397, 5894, 6315, 6939, 7196, 7578, 7710, 8420, 8841, 8995, 9252, 10794, 11367, 11565, 11788, 12630, 13878, 14735, 15156, 15420, 16191, 17682, 17990, 18945, 21588, 22734, 23130, 25260, 26523, 26985, 27756, 29470, 32382, 34695, 35364, 35980, 37890, 44205, 45468, 46260, 48573, 53046, 53970, 56835, 58940, 64764, 69390, 75780, 79569, 80955, 88410, 97146, 106092, 107940, 108197, 113670, 132615, 138780, 159138, 161910, 176820, 194292, 216394, 227340, 242865, 265230, 318276, 323820, 324591, 397845, 432788, 485730, 530460, 540985, 649182, 757379, 795690, 971460, 973773, 1081970, 1298364, 1514758, 1591380, 1622955, 1947546, 2163940, 2272137, 2921319, 3029516, 3245910, 3786895, 3895092, 4544274, 4868865, 5842638, 6491820, 6816411, 7573790, 9088548, 9737730, 11360685, 11685276, 13632822, 14606595, 15147580, 19475460, 20449233, 22721370, 27265644, 29213190, 34082055, 40898466, 45442740, 58426380, 68164110, 81796932, 102246165, 136328220, 204492330, 408984660]

約数ペア:

[(1, 408984660), (2, 204492330), (3, 136328220), (4, 102246165), (5, 81796932), (6, 68164110), (7, 58426380), (9, 45442740), (10, 40898466), (12, 34082055), (14, 29213190), (15, 27265644), (18, 22721370), (20, 20449233), (21, 19475460), (27, 15147580), (28, 14606595), (30, 13632822), (35, 11685276), (36, 11360685), (42, 9737730), (45, 9088548), (54, 7573790), (60, 6816411), (63, 6491820), (70, 5842638), (84, 4868865), (90, 4544274), (105, 3895092), (108, 3786895), (126, 3245910), (135, 3029516), (140, 2921319), (180, 2272137), (189, 2163940), (210, 1947546), (252, 1622955), (257, 1591380), (270, 1514758), (315, 1298364), (378, 1081970), (420, 973773), (421, 971460), (514, 795690), (540, 757379), (630, 649182), (756, 540985), (771, 530460), (842, 485730), (945, 432788), (1028, 397845), (1260, 324591), (1263, 323820), (1285, 318276), (1542, 265230), (1684, 242865), (1799, 227340), (1890, 216394), (2105, 194292), (2313, 176820), (2526, 161910), (2570, 159138), (2947, 138780), (3084, 132615), (3598, 113670), (3780, 108197), (3789, 107940), (3855, 106092), (4210, 97146), (4626, 88410), (5052, 80955), (5140, 79569), (5397, 75780), (5894, 69390), (6315, 64764), (6939, 58940), (7196, 56835), (7578, 53970), (7710, 53046), (8420, 48573), (8841, 46260), (8995, 45468), (9252, 44205), (10794, 37890), (11367, 35980), (11565, 35364), (11788, 34695), (12630, 32382), (13878, 29470), (14735, 27756), (15156, 26985), (15420, 26523), (16191, 25260), (17682, 23130), (17990, 22734), (18945, 21588)]