38723580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 136403904

約数和(自身を除く): 97680324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 421, 438, 511, 630, 657, 730, 842, 876, 1022, 1095, 1260, 1263, 1314, 1460, 1533, 1684, 2044, 2105, 2190, 2526, 2555, 2628, 2947, 3066, 3285, 3789, 4210, 4380, 4599, 5052, 5110, 5894, 6132, 6315, 6570, 7578, 7665, 8420, 8841, 9198, 10220, 11788, 12630, 13140, 14735, 15156, 15330, 17682, 18396, 18945, 22995, 25260, 26523, 29470, 30660, 30733, 35364, 37890, 44205, 45990, 53046, 58940, 61466, 75780, 88410, 91980, 92199, 106092, 122932, 132615, 153665, 176820, 184398, 215131, 265230, 276597, 307330, 368796, 430262, 460995, 530460, 553194, 614660, 645393, 860524, 921990, 1075655, 1106388, 1290786, 1382985, 1843980, 1936179, 2151310, 2581572, 2765970, 3226965, 3872358, 4302620, 5531940, 6453930, 7744716, 9680895, 12907860, 19361790, 38723580]

約数ペア:

[(1, 38723580), (2, 19361790), (3, 12907860), (4, 9680895), (5, 7744716), (6, 6453930), (7, 5531940), (9, 4302620), (10, 3872358), (12, 3226965), (14, 2765970), (15, 2581572), (18, 2151310), (20, 1936179), (21, 1843980), (28, 1382985), (30, 1290786), (35, 1106388), (36, 1075655), (42, 921990), (45, 860524), (60, 645393), (63, 614660), (70, 553194), (73, 530460), (84, 460995), (90, 430262), (105, 368796), (126, 307330), (140, 276597), (146, 265230), (180, 215131), (210, 184398), (219, 176820), (252, 153665), (292, 132615), (315, 122932), (365, 106092), (420, 92199), (421, 91980), (438, 88410), (511, 75780), (630, 61466), (657, 58940), (730, 53046), (842, 45990), (876, 44205), (1022, 37890), (1095, 35364), (1260, 30733), (1263, 30660), (1314, 29470), (1460, 26523), (1533, 25260), (1684, 22995), (2044, 18945), (2105, 18396), (2190, 17682), (2526, 15330), (2555, 15156), (2628, 14735), (2947, 13140), (3066, 12630), (3285, 11788), (3789, 10220), (4210, 9198), (4380, 8841), (4599, 8420), (5052, 7665), (5110, 7578), (5894, 6570), (6132, 6315)]