28071420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 93985920

約数和(自身を除く): 65914500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 29, 30, 34, 39, 51, 52, 58, 60, 65, 68, 73, 78, 85, 87, 102, 116, 130, 145, 146, 156, 170, 174, 195, 204, 219, 221, 255, 260, 290, 292, 340, 348, 365, 377, 390, 435, 438, 442, 493, 510, 580, 663, 730, 754, 780, 870, 876, 884, 949, 986, 1020, 1095, 1105, 1131, 1241, 1326, 1460, 1479, 1508, 1740, 1885, 1898, 1972, 2117, 2190, 2210, 2262, 2465, 2482, 2652, 2847, 2958, 3315, 3723, 3770, 3796, 4234, 4380, 4420, 4524, 4745, 4930, 4964, 5655, 5694, 5916, 6205, 6351, 6409, 6630, 7395, 7446, 7540, 8468, 9490, 9860, 10585, 11310, 11388, 12410, 12702, 12818, 13260, 14235, 14790, 14892, 16133, 18615, 18980, 19227, 21170, 22620, 24820, 25404, 25636, 27521, 28470, 29580, 31755, 32045, 32266, 35989, 37230, 38454, 42340, 48399, 55042, 56940, 63510, 64090, 64532, 71978, 74460, 76908, 80665, 82563, 96135, 96798, 107967, 110084, 127020, 128180, 137605, 143956, 161330, 165126, 179945, 192270, 193596, 215934, 241995, 275210, 322660, 330252, 359890, 384540, 412815, 431868, 467857, 483990, 539835, 550420, 719780, 825630, 935714, 967980, 1079670, 1403571, 1651260, 1871428, 2159340, 2339285, 2807142, 4678570, 5614284, 7017855, 9357140, 14035710, 28071420]

約数ペア:

[(1, 28071420), (2, 14035710), (3, 9357140), (4, 7017855), (5, 5614284), (6, 4678570), (10, 2807142), (12, 2339285), (13, 2159340), (15, 1871428), (17, 1651260), (20, 1403571), (26, 1079670), (29, 967980), (30, 935714), (34, 825630), (39, 719780), (51, 550420), (52, 539835), (58, 483990), (60, 467857), (65, 431868), (68, 412815), (73, 384540), (78, 359890), (85, 330252), (87, 322660), (102, 275210), (116, 241995), (130, 215934), (145, 193596), (146, 192270), (156, 179945), (170, 165126), (174, 161330), (195, 143956), (204, 137605), (219, 128180), (221, 127020), (255, 110084), (260, 107967), (290, 96798), (292, 96135), (340, 82563), (348, 80665), (365, 76908), (377, 74460), (390, 71978), (435, 64532), (438, 64090), (442, 63510), (493, 56940), (510, 55042), (580, 48399), (663, 42340), (730, 38454), (754, 37230), (780, 35989), (870, 32266), (876, 32045), (884, 31755), (949, 29580), (986, 28470), (1020, 27521), (1095, 25636), (1105, 25404), (1131, 24820), (1241, 22620), (1326, 21170), (1460, 19227), (1479, 18980), (1508, 18615), (1740, 16133), (1885, 14892), (1898, 14790), (1972, 14235), (2117, 13260), (2190, 12818), (2210, 12702), (2262, 12410), (2465, 11388), (2482, 11310), (2652, 10585), (2847, 9860), (2958, 9490), (3315, 8468), (3723, 7540), (3770, 7446), (3796, 7395), (4234, 6630), (4380, 6409), (4420, 6351), (4524, 6205), (4745, 5916), (4930, 5694), (4964, 5655)]