51723420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 171487008

約数和(自身を除く): 119763588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 241, 245, 292, 294, 365, 420, 438, 482, 490, 511, 588, 723, 730, 735, 876, 964, 980, 1022, 1095, 1205, 1446, 1460, 1470, 1533, 1687, 2044, 2190, 2410, 2555, 2892, 2940, 3066, 3374, 3577, 3615, 4380, 4820, 5061, 5110, 6132, 6748, 7154, 7230, 7665, 8435, 10122, 10220, 10731, 11809, 14308, 14460, 15330, 16870, 17593, 17885, 20244, 21462, 23618, 25305, 30660, 33740, 35186, 35427, 35770, 42924, 47236, 50610, 52779, 53655, 59045, 70372, 70854, 71540, 87965, 101220, 105558, 107310, 118090, 123151, 141708, 175930, 177135, 211116, 214620, 236180, 246302, 263895, 351860, 354270, 369453, 492604, 527790, 615755, 708540, 738906, 862057, 1055580, 1231510, 1477812, 1724114, 1847265, 2463020, 2586171, 3448228, 3694530, 4310285, 5172342, 7389060, 8620570, 10344684, 12930855, 17241140, 25861710, 51723420]

約数ペア:

[(1, 51723420), (2, 25861710), (3, 17241140), (4, 12930855), (5, 10344684), (6, 8620570), (7, 7389060), (10, 5172342), (12, 4310285), (14, 3694530), (15, 3448228), (20, 2586171), (21, 2463020), (28, 1847265), (30, 1724114), (35, 1477812), (42, 1231510), (49, 1055580), (60, 862057), (70, 738906), (73, 708540), (84, 615755), (98, 527790), (105, 492604), (140, 369453), (146, 354270), (147, 351860), (196, 263895), (210, 246302), (219, 236180), (241, 214620), (245, 211116), (292, 177135), (294, 175930), (365, 141708), (420, 123151), (438, 118090), (482, 107310), (490, 105558), (511, 101220), (588, 87965), (723, 71540), (730, 70854), (735, 70372), (876, 59045), (964, 53655), (980, 52779), (1022, 50610), (1095, 47236), (1205, 42924), (1446, 35770), (1460, 35427), (1470, 35186), (1533, 33740), (1687, 30660), (2044, 25305), (2190, 23618), (2410, 21462), (2555, 20244), (2892, 17885), (2940, 17593), (3066, 16870), (3374, 15330), (3577, 14460), (3615, 14308), (4380, 11809), (4820, 10731), (5061, 10220), (5110, 10122), (6132, 8435), (6748, 7665), (7154, 7230)]