661424280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 192

約数和(自身を含む): 2224350720

約数和(自身を除く): 1562926440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 271, 330, 344, 430, 440, 473, 516, 542, 645, 660, 813, 860, 946, 1032, 1084, 1290, 1320, 1355, 1419, 1626, 1720, 1849, 1892, 2168, 2365, 2580, 2710, 2838, 2981, 3252, 3698, 3784, 4065, 4730, 5160, 5420, 5547, 5676, 5962, 6504, 7095, 7396, 8130, 8943, 9245, 9460, 10840, 11094, 11352, 11653, 11924, 14190, 14792, 14905, 16260, 17886, 18490, 18920, 20339, 22188, 23306, 23848, 27735, 28380, 29810, 32520, 34959, 35772, 36980, 40678, 44376, 44715, 46612, 55470, 56760, 58265, 59620, 61017, 69918, 71544, 73960, 81356, 89430, 93224, 101695, 110940, 116530, 119240, 122034, 128183, 139836, 162712, 174795, 178860, 203390, 221880, 233060, 244068, 256366, 279672, 305085, 349590, 357720, 384549, 406780, 466120, 488136, 501079, 512732, 610170, 640915, 699180, 769098, 813560, 1002158, 1025464, 1220340, 1281830, 1398360, 1503237, 1538196, 1922745, 2004316, 2440680, 2505395, 2563660, 3006474, 3076392, 3845490, 4008632, 5010790, 5127320, 5511869, 6012948, 7516185, 7690980, 10021580, 11023738, 12025896, 15032370, 15381960, 16535607, 20043160, 22047476, 27559345, 30064740, 33071214, 44094952, 55118690, 60129480, 66142428, 82678035, 110237380, 132284856, 165356070, 220474760, 330712140, 661424280]

約数ペア:

[(1, 661424280), (2, 330712140), (3, 220474760), (4, 165356070), (5, 132284856), (6, 110237380), (8, 82678035), (10, 66142428), (11, 60129480), (12, 55118690), (15, 44094952), (20, 33071214), (22, 30064740), (24, 27559345), (30, 22047476), (33, 20043160), (40, 16535607), (43, 15381960), (44, 15032370), (55, 12025896), (60, 11023738), (66, 10021580), (86, 7690980), (88, 7516185), (110, 6012948), (120, 5511869), (129, 5127320), (132, 5010790), (165, 4008632), (172, 3845490), (215, 3076392), (220, 3006474), (258, 2563660), (264, 2505395), (271, 2440680), (330, 2004316), (344, 1922745), (430, 1538196), (440, 1503237), (473, 1398360), (516, 1281830), (542, 1220340), (645, 1025464), (660, 1002158), (813, 813560), (860, 769098), (946, 699180), (1032, 640915), (1084, 610170), (1290, 512732), (1320, 501079), (1355, 488136), (1419, 466120), (1626, 406780), (1720, 384549), (1849, 357720), (1892, 349590), (2168, 305085), (2365, 279672), (2580, 256366), (2710, 244068), (2838, 233060), (2981, 221880), (3252, 203390), (3698, 178860), (3784, 174795), (4065, 162712), (4730, 139836), (5160, 128183), (5420, 122034), (5547, 119240), (5676, 116530), (5962, 110940), (6504, 101695), (7095, 93224), (7396, 89430), (8130, 81356), (8943, 73960), (9245, 71544), (9460, 69918), (10840, 61017), (11094, 59620), (11352, 58265), (11653, 56760), (11924, 55470), (14190, 46612), (14792, 44715), (14905, 44376), (16260, 40678), (17886, 36980), (18490, 35772), (18920, 34959), (20339, 32520), (22188, 29810), (23306, 28380), (23848, 27735)]