72004140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 180

約数和(自身を含む): 245521584

約数和(自身を除く): 173517444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 260, 263, 270, 324, 338, 351, 390, 405, 468, 507, 526, 540, 585, 676, 702, 780, 789, 810, 845, 1014, 1052, 1053, 1170, 1315, 1404, 1521, 1578, 1620, 1690, 1755, 2028, 2106, 2340, 2367, 2535, 2630, 3042, 3156, 3380, 3419, 3510, 3945, 4212, 4563, 4734, 5070, 5260, 5265, 6084, 6838, 7020, 7101, 7605, 7890, 9126, 9468, 10140, 10257, 10530, 11835, 13676, 13689, 14202, 15210, 15780, 17095, 18252, 20514, 21060, 21303, 22815, 23670, 27378, 28404, 30420, 30771, 34190, 35505, 41028, 42606, 44447, 45630, 47340, 51285, 54756, 61542, 68380, 68445, 71010, 85212, 88894, 91260, 92313, 102570, 106515, 123084, 133341, 136890, 142020, 153855, 177788, 184626, 205140, 213030, 222235, 266682, 273780, 276939, 307710, 369252, 400023, 426060, 444470, 461565, 533364, 553878, 615420, 666705, 800046, 888940, 923130, 1107756, 1200069, 1333410, 1384695, 1600092, 1846260, 2000115, 2400138, 2666820, 2769390, 3600207, 4000230, 4800276, 5538780, 6000345, 7200414, 8000460, 12000690, 14400828, 18001035, 24001380, 36002070, 72004140]

約数ペア:

[(1, 72004140), (2, 36002070), (3, 24001380), (4, 18001035), (5, 14400828), (6, 12000690), (9, 8000460), (10, 7200414), (12, 6000345), (13, 5538780), (15, 4800276), (18, 4000230), (20, 3600207), (26, 2769390), (27, 2666820), (30, 2400138), (36, 2000115), (39, 1846260), (45, 1600092), (52, 1384695), (54, 1333410), (60, 1200069), (65, 1107756), (78, 923130), (81, 888940), (90, 800046), (108, 666705), (117, 615420), (130, 553878), (135, 533364), (156, 461565), (162, 444470), (169, 426060), (180, 400023), (195, 369252), (234, 307710), (260, 276939), (263, 273780), (270, 266682), (324, 222235), (338, 213030), (351, 205140), (390, 184626), (405, 177788), (468, 153855), (507, 142020), (526, 136890), (540, 133341), (585, 123084), (676, 106515), (702, 102570), (780, 92313), (789, 91260), (810, 88894), (845, 85212), (1014, 71010), (1052, 68445), (1053, 68380), (1170, 61542), (1315, 54756), (1404, 51285), (1521, 47340), (1578, 45630), (1620, 44447), (1690, 42606), (1755, 41028), (2028, 35505), (2106, 34190), (2340, 30771), (2367, 30420), (2535, 28404), (2630, 27378), (3042, 23670), (3156, 22815), (3380, 21303), (3419, 21060), (3510, 20514), (3945, 18252), (4212, 17095), (4563, 15780), (4734, 15210), (5070, 14202), (5260, 13689), (5265, 13676), (6084, 11835), (6838, 10530), (7020, 10257), (7101, 10140), (7605, 9468), (7890, 9126)]