128475180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 413411040

約数和(自身を除く): 284935860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 67, 90, 106, 108, 134, 135, 159, 180, 201, 212, 265, 268, 270, 318, 335, 402, 477, 530, 540, 603, 636, 670, 795, 804, 954, 1005, 1060, 1206, 1340, 1431, 1590, 1809, 1908, 2010, 2385, 2412, 2862, 3015, 3180, 3551, 3618, 4020, 4489, 4770, 5724, 6030, 7102, 7155, 7236, 8978, 9045, 9540, 10653, 12060, 13467, 14204, 14310, 17755, 17956, 18090, 21306, 22445, 26934, 28620, 31959, 35510, 36180, 40401, 42612, 44890, 53265, 53868, 63918, 67335, 71020, 80802, 89780, 95877, 106530, 121203, 127836, 134670, 159795, 161604, 191754, 202005, 213060, 237917, 242406, 269340, 319590, 383508, 404010, 475834, 479385, 484812, 606015, 639180, 713751, 808020, 951668, 958770, 1189585, 1212030, 1427502, 1917540, 2141253, 2379170, 2424060, 2855004, 3568755, 4282506, 4758340, 6423759, 7137510, 8565012, 10706265, 12847518, 14275020, 21412530, 25695036, 32118795, 42825060, 64237590, 128475180]

約数ペア:

[(1, 128475180), (2, 64237590), (3, 42825060), (4, 32118795), (5, 25695036), (6, 21412530), (9, 14275020), (10, 12847518), (12, 10706265), (15, 8565012), (18, 7137510), (20, 6423759), (27, 4758340), (30, 4282506), (36, 3568755), (45, 2855004), (53, 2424060), (54, 2379170), (60, 2141253), (67, 1917540), (90, 1427502), (106, 1212030), (108, 1189585), (134, 958770), (135, 951668), (159, 808020), (180, 713751), (201, 639180), (212, 606015), (265, 484812), (268, 479385), (270, 475834), (318, 404010), (335, 383508), (402, 319590), (477, 269340), (530, 242406), (540, 237917), (603, 213060), (636, 202005), (670, 191754), (795, 161604), (804, 159795), (954, 134670), (1005, 127836), (1060, 121203), (1206, 106530), (1340, 95877), (1431, 89780), (1590, 80802), (1809, 71020), (1908, 67335), (2010, 63918), (2385, 53868), (2412, 53265), (2862, 44890), (3015, 42612), (3180, 40401), (3551, 36180), (3618, 35510), (4020, 31959), (4489, 28620), (4770, 26934), (5724, 22445), (6030, 21306), (7102, 18090), (7155, 17956), (7236, 17755), (8978, 14310), (9045, 14204), (9540, 13467), (10653, 12060)]