66568440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 211507200

約数和(自身を除く): 144938760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 138, 178, 184, 230, 267, 271, 276, 345, 356, 445, 460, 534, 542, 552, 690, 712, 813, 890, 920, 1068, 1084, 1335, 1355, 1380, 1626, 1780, 2047, 2136, 2168, 2670, 2710, 2760, 3252, 3560, 4065, 4094, 5340, 5420, 6141, 6233, 6504, 8130, 8188, 10235, 10680, 10840, 12282, 12466, 16260, 16376, 18699, 20470, 24119, 24564, 24932, 30705, 31165, 32520, 37398, 40940, 48238, 49128, 49864, 61410, 62330, 72357, 74796, 81880, 93495, 96476, 120595, 122820, 124660, 144714, 149592, 186990, 192952, 241190, 245640, 249320, 289428, 361785, 373980, 482380, 554737, 578856, 723570, 747960, 964760, 1109474, 1447140, 1664211, 2218948, 2773685, 2894280, 3328422, 4437896, 5547370, 6656844, 8321055, 11094740, 13313688, 16642110, 22189480, 33284220, 66568440]

約数ペア:

[(1, 66568440), (2, 33284220), (3, 22189480), (4, 16642110), (5, 13313688), (6, 11094740), (8, 8321055), (10, 6656844), (12, 5547370), (15, 4437896), (20, 3328422), (23, 2894280), (24, 2773685), (30, 2218948), (40, 1664211), (46, 1447140), (60, 1109474), (69, 964760), (89, 747960), (92, 723570), (115, 578856), (120, 554737), (138, 482380), (178, 373980), (184, 361785), (230, 289428), (267, 249320), (271, 245640), (276, 241190), (345, 192952), (356, 186990), (445, 149592), (460, 144714), (534, 124660), (542, 122820), (552, 120595), (690, 96476), (712, 93495), (813, 81880), (890, 74796), (920, 72357), (1068, 62330), (1084, 61410), (1335, 49864), (1355, 49128), (1380, 48238), (1626, 40940), (1780, 37398), (2047, 32520), (2136, 31165), (2168, 30705), (2670, 24932), (2710, 24564), (2760, 24119), (3252, 20470), (3560, 18699), (4065, 16376), (4094, 16260), (5340, 12466), (5420, 12282), (6141, 10840), (6233, 10680), (6504, 10235), (8130, 8188)]