123345180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 240

約数和(自身を含む): 451281600

約数和(自身を除く): 327936420

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, 73, 81, 84, 90, 105, 108, 126, 135, 140, 146, 149, 162, 180, 189, 210, 219, 252, 270, 292, 298, 315, 324, 365, 378, 405, 420, 438, 447, 511, 540, 567, 596, 630, 657, 730, 745, 756, 810, 876, 894, 945, 1022, 1043, 1095, 1134, 1260, 1314, 1341, 1460, 1490, 1533, 1620, 1788, 1890, 1971, 2044, 2086, 2190, 2235, 2268, 2555, 2628, 2682, 2835, 2980, 3066, 3129, 3285, 3780, 3942, 4023, 4172, 4380, 4470, 4599, 5110, 5215, 5364, 5670, 5913, 6132, 6258, 6570, 6705, 7665, 7884, 8046, 8940, 9198, 9387, 9855, 10220, 10430, 10877, 11340, 11826, 12069, 12516, 13140, 13410, 13797, 15330, 15645, 16092, 18396, 18774, 19710, 20115, 20860, 21754, 22995, 23652, 24138, 26820, 27594, 28161, 29565, 30660, 31290, 32631, 37548, 39420, 40230, 41391, 43508, 45990, 46935, 48276, 54385, 55188, 56322, 59130, 60345, 62580, 65262, 68985, 76139, 80460, 82782, 84483, 91980, 93870, 97893, 108770, 112644, 118260, 120690, 130524, 137970, 140805, 152278, 163155, 165564, 168966, 187740, 195786, 206955, 217540, 228417, 241380, 275940, 281610, 293679, 304556, 326310, 337932, 380695, 391572, 413910, 422415, 456834, 489465, 563220, 587358, 652620, 685251, 761390, 827820, 844830, 881037, 913668, 978930, 1142085, 1174716, 1370502, 1468395, 1522780, 1689660, 1762074, 1957860, 2055753, 2284170, 2741004, 2936790, 3426255, 3524148, 4111506, 4405185, 4568340, 5873580, 6167259, 6852510, 8223012, 8810370, 10278765, 12334518, 13705020, 17620740, 20557530, 24669036, 30836295, 41115060, 61672590, 123345180]

約数ペア:

[(1, 123345180), (2, 61672590), (3, 41115060), (4, 30836295), (5, 24669036), (6, 20557530), (7, 17620740), (9, 13705020), (10, 12334518), (12, 10278765), (14, 8810370), (15, 8223012), (18, 6852510), (20, 6167259), (21, 5873580), (27, 4568340), (28, 4405185), (30, 4111506), (35, 3524148), (36, 3426255), (42, 2936790), (45, 2741004), (54, 2284170), (60, 2055753), (63, 1957860), (70, 1762074), (73, 1689660), (81, 1522780), (84, 1468395), (90, 1370502), (105, 1174716), (108, 1142085), (126, 978930), (135, 913668), (140, 881037), (146, 844830), (149, 827820), (162, 761390), (180, 685251), (189, 652620), (210, 587358), (219, 563220), (252, 489465), (270, 456834), (292, 422415), (298, 413910), (315, 391572), (324, 380695), (365, 337932), (378, 326310), (405, 304556), (420, 293679), (438, 281610), (447, 275940), (511, 241380), (540, 228417), (567, 217540), (596, 206955), (630, 195786), (657, 187740), (730, 168966), (745, 165564), (756, 163155), (810, 152278), (876, 140805), (894, 137970), (945, 130524), (1022, 120690), (1043, 118260), (1095, 112644), (1134, 108770), (1260, 97893), (1314, 93870), (1341, 91980), (1460, 84483), (1490, 82782), (1533, 80460), (1620, 76139), (1788, 68985), (1890, 65262), (1971, 62580), (2044, 60345), (2086, 59130), (2190, 56322), (2235, 55188), (2268, 54385), (2555, 48276), (2628, 46935), (2682, 45990), (2835, 43508), (2980, 41391), (3066, 40230), (3129, 39420), (3285, 37548), (3780, 32631), (3942, 31290), (4023, 30660), (4172, 29565), (4380, 28161), (4470, 27594), (4599, 26820), (5110, 24138), (5215, 23652), (5364, 22995), (5670, 21754), (5913, 20860), (6132, 20115), (6258, 19710), (6570, 18774), (6705, 18396), (7665, 16092), (7884, 15645), (8046, 15330), (8940, 13797), (9198, 13410), (9387, 13140), (9855, 12516), (10220, 12069), (10430, 11826), (10877, 11340)]