840666540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3917}}^1$

素因数の和:4016

約数の個数: 144

約数和(自身を含む): 2776388832

約数和(自身を除く): 1935722292

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, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 876, 980, 1022, 1095, 1460, 1470, 1533, 2044, 2190, 2555, 2940, 3066, 3577, 3917, 4380, 5110, 6132, 7154, 7665, 7834, 10220, 10731, 11751, 14308, 15330, 15668, 17885, 19585, 21462, 23502, 27419, 30660, 35770, 39170, 42924, 47004, 53655, 54838, 58755, 71540, 78340, 82257, 107310, 109676, 117510, 137095, 164514, 191933, 214620, 235020, 274190, 285941, 329028, 383866, 411285, 548380, 571882, 575799, 767732, 822570, 857823, 959665, 1143764, 1151598, 1429705, 1645140, 1715646, 1919330, 2001587, 2303196, 2859410, 2878995, 3431292, 3838660, 4003174, 4289115, 5718820, 5757990, 6004761, 8006348, 8578230, 10007935, 11515980, 12009522, 14011109, 17156460, 20015870, 24019044, 28022218, 30023805, 40031740, 42033327, 56044436, 60047610, 70055545, 84066654, 120095220, 140111090, 168133308, 210166635, 280222180, 420333270, 840666540]

約数ペア:

[(1, 840666540), (2, 420333270), (3, 280222180), (4, 210166635), (5, 168133308), (6, 140111090), (7, 120095220), (10, 84066654), (12, 70055545), (14, 60047610), (15, 56044436), (20, 42033327), (21, 40031740), (28, 30023805), (30, 28022218), (35, 24019044), (42, 20015870), (49, 17156460), (60, 14011109), (70, 12009522), (73, 11515980), (84, 10007935), (98, 8578230), (105, 8006348), (140, 6004761), (146, 5757990), (147, 5718820), (196, 4289115), (210, 4003174), (219, 3838660), (245, 3431292), (292, 2878995), (294, 2859410), (365, 2303196), (420, 2001587), (438, 1919330), (490, 1715646), (511, 1645140), (588, 1429705), (730, 1151598), (735, 1143764), (876, 959665), (980, 857823), (1022, 822570), (1095, 767732), (1460, 575799), (1470, 571882), (1533, 548380), (2044, 411285), (2190, 383866), (2555, 329028), (2940, 285941), (3066, 274190), (3577, 235020), (3917, 214620), (4380, 191933), (5110, 164514), (6132, 137095), (7154, 117510), (7665, 109676), (7834, 107310), (10220, 82257), (10731, 78340), (11751, 71540), (14308, 58755), (15330, 54838), (15668, 53655), (17885, 47004), (19585, 42924), (21462, 39170), (23502, 35770), (27419, 30660)]