128462460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 435456000

約数和(自身を除く): 306993540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 53, 58, 60, 70, 84, 87, 105, 106, 116, 140, 145, 159, 174, 199, 203, 210, 212, 265, 290, 318, 348, 371, 398, 406, 420, 435, 530, 580, 597, 609, 636, 742, 795, 796, 812, 870, 995, 1015, 1060, 1113, 1194, 1218, 1393, 1484, 1537, 1590, 1740, 1855, 1990, 2030, 2226, 2388, 2436, 2786, 2985, 3045, 3074, 3180, 3710, 3980, 4060, 4179, 4452, 4611, 5565, 5572, 5771, 5970, 6090, 6148, 6965, 7420, 7685, 8358, 9222, 10547, 10759, 11130, 11542, 11940, 12180, 13930, 15370, 16716, 17313, 18444, 20895, 21094, 21518, 22260, 23055, 23084, 27860, 28855, 30740, 31641, 32277, 34626, 40397, 41790, 42188, 43036, 46110, 52735, 53795, 57710, 63282, 64554, 69252, 73829, 80794, 83580, 86565, 92220, 105470, 107590, 115420, 121191, 126564, 129108, 147658, 158205, 161385, 161588, 173130, 201985, 210940, 215180, 221487, 242382, 295316, 305863, 316410, 322770, 346260, 369145, 403970, 442974, 484764, 605955, 611726, 632820, 645540, 738290, 807940, 885948, 917589, 1107435, 1211910, 1223452, 1476580, 1529315, 1835178, 2141041, 2214870, 2423820, 3058630, 3670356, 4282082, 4429740, 4587945, 6117260, 6423123, 8564164, 9175890, 10705205, 12846246, 18351780, 21410410, 25692492, 32115615, 42820820, 64231230, 128462460]

約数ペア:

[(1, 128462460), (2, 64231230), (3, 42820820), (4, 32115615), (5, 25692492), (6, 21410410), (7, 18351780), (10, 12846246), (12, 10705205), (14, 9175890), (15, 8564164), (20, 6423123), (21, 6117260), (28, 4587945), (29, 4429740), (30, 4282082), (35, 3670356), (42, 3058630), (53, 2423820), (58, 2214870), (60, 2141041), (70, 1835178), (84, 1529315), (87, 1476580), (105, 1223452), (106, 1211910), (116, 1107435), (140, 917589), (145, 885948), (159, 807940), (174, 738290), (199, 645540), (203, 632820), (210, 611726), (212, 605955), (265, 484764), (290, 442974), (318, 403970), (348, 369145), (371, 346260), (398, 322770), (406, 316410), (420, 305863), (435, 295316), (530, 242382), (580, 221487), (597, 215180), (609, 210940), (636, 201985), (742, 173130), (795, 161588), (796, 161385), (812, 158205), (870, 147658), (995, 129108), (1015, 126564), (1060, 121191), (1113, 115420), (1194, 107590), (1218, 105470), (1393, 92220), (1484, 86565), (1537, 83580), (1590, 80794), (1740, 73829), (1855, 69252), (1990, 64554), (2030, 63282), (2226, 57710), (2388, 53795), (2436, 52735), (2786, 46110), (2985, 43036), (3045, 42188), (3074, 41790), (3180, 40397), (3710, 34626), (3980, 32277), (4060, 31641), (4179, 30740), (4452, 28855), (4611, 27860), (5565, 23084), (5572, 23055), (5771, 22260), (5970, 21518), (6090, 21094), (6148, 20895), (6965, 18444), (7420, 17313), (7685, 16716), (8358, 15370), (9222, 13930), (10547, 12180), (10759, 11940), (11130, 11542)]