90420720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 306772032

約数和(自身を除く): 216351312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 73, 78, 80, 104, 120, 130, 146, 156, 195, 208, 219, 240, 260, 292, 312, 365, 390, 397, 438, 520, 584, 624, 730, 780, 794, 876, 949, 1040, 1095, 1168, 1191, 1460, 1560, 1588, 1752, 1898, 1985, 2190, 2382, 2847, 2920, 3120, 3176, 3504, 3796, 3970, 4380, 4745, 4764, 5161, 5694, 5840, 5955, 6352, 7592, 7940, 8760, 9490, 9528, 10322, 11388, 11910, 14235, 15184, 15483, 15880, 17520, 18980, 19056, 20644, 22776, 23820, 25805, 28470, 28981, 30966, 31760, 37960, 41288, 45552, 47640, 51610, 56940, 57962, 61932, 75920, 77415, 82576, 86943, 95280, 103220, 113880, 115924, 123864, 144905, 154830, 173886, 206440, 227760, 231848, 247728, 289810, 309660, 347772, 376753, 412880, 434715, 463696, 579620, 619320, 695544, 753506, 869430, 1130259, 1159240, 1238640, 1391088, 1507012, 1738860, 1883765, 2260518, 2318480, 3014024, 3477720, 3767530, 4521036, 5651295, 6028048, 6955440, 7535060, 9042072, 11302590, 15070120, 18084144, 22605180, 30140240, 45210360, 90420720]

約数ペア:

[(1, 90420720), (2, 45210360), (3, 30140240), (4, 22605180), (5, 18084144), (6, 15070120), (8, 11302590), (10, 9042072), (12, 7535060), (13, 6955440), (15, 6028048), (16, 5651295), (20, 4521036), (24, 3767530), (26, 3477720), (30, 3014024), (39, 2318480), (40, 2260518), (48, 1883765), (52, 1738860), (60, 1507012), (65, 1391088), (73, 1238640), (78, 1159240), (80, 1130259), (104, 869430), (120, 753506), (130, 695544), (146, 619320), (156, 579620), (195, 463696), (208, 434715), (219, 412880), (240, 376753), (260, 347772), (292, 309660), (312, 289810), (365, 247728), (390, 231848), (397, 227760), (438, 206440), (520, 173886), (584, 154830), (624, 144905), (730, 123864), (780, 115924), (794, 113880), (876, 103220), (949, 95280), (1040, 86943), (1095, 82576), (1168, 77415), (1191, 75920), (1460, 61932), (1560, 57962), (1588, 56940), (1752, 51610), (1898, 47640), (1985, 45552), (2190, 41288), (2382, 37960), (2847, 31760), (2920, 30966), (3120, 28981), (3176, 28470), (3504, 25805), (3796, 23820), (3970, 22776), (4380, 20644), (4745, 19056), (4764, 18980), (5161, 17520), (5694, 15880), (5840, 15483), (5955, 15184), (6352, 14235), (7592, 11910), (7940, 11388), (8760, 10322), (9490, 9528)]