621530280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4373

約数の個数: 256

約数和(自身を含む): 2492928000

約数和(自身を除く): 1871397720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4327, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 8654, 9576, 10260, 11970, 12981, 14364, 15960, 17308, 17955, 20520, 21635, 23940, 25962, 28728, 30289, 34616, 35910, 38943, 43270, 47880, 51924, 60578, 64905, 71820, 77886, 82213, 86540, 90867, 103848, 116829, 121156, 129810, 143640, 151445, 155772, 164426, 173080, 181734, 194715, 233658, 242312, 246639, 259620, 272601, 302890, 311544, 328852, 363468, 389430, 411065, 454335, 467316, 493278, 519240, 545202, 575491, 584145, 605780, 657704, 726936, 739917, 778860, 817803, 822130, 908670, 934632, 986556, 1090404, 1150982, 1168290, 1211560, 1233195, 1363005, 1479834, 1557720, 1635606, 1644260, 1726473, 1817340, 1973112, 2180808, 2219751, 2301964, 2336580, 2466390, 2726010, 2877455, 2959668, 3271212, 3288520, 3452946, 3634680, 3699585, 4089015, 4439502, 4603928, 4673160, 4932780, 5179419, 5452020, 5754910, 5919336, 6542424, 6905892, 7399170, 8178030, 8632365, 8879004, 9865560, 10358838, 10904040, 11098755, 11509820, 13811784, 14798340, 15538257, 16356060, 17264730, 17758008, 20717676, 22197510, 23019640, 25897095, 29596680, 31076514, 32712120, 34529460, 41435352, 44395020, 51794190, 62153028, 69058920, 77691285, 88790040, 103588380, 124306056, 155382570, 207176760, 310765140, 621530280]

約数ペア:

[(1, 621530280), (2, 310765140), (3, 207176760), (4, 155382570), (5, 124306056), (6, 103588380), (7, 88790040), (8, 77691285), (9, 69058920), (10, 62153028), (12, 51794190), (14, 44395020), (15, 41435352), (18, 34529460), (19, 32712120), (20, 31076514), (21, 29596680), (24, 25897095), (27, 23019640), (28, 22197510), (30, 20717676), (35, 17758008), (36, 17264730), (38, 16356060), (40, 15538257), (42, 14798340), (45, 13811784), (54, 11509820), (56, 11098755), (57, 10904040), (60, 10358838), (63, 9865560), (70, 8879004), (72, 8632365), (76, 8178030), (84, 7399170), (90, 6905892), (95, 6542424), (105, 5919336), (108, 5754910), (114, 5452020), (120, 5179419), (126, 4932780), (133, 4673160), (135, 4603928), (140, 4439502), (152, 4089015), (168, 3699585), (171, 3634680), (180, 3452946), (189, 3288520), (190, 3271212), (210, 2959668), (216, 2877455), (228, 2726010), (252, 2466390), (266, 2336580), (270, 2301964), (280, 2219751), (285, 2180808), (315, 1973112), (342, 1817340), (360, 1726473), (378, 1644260), (380, 1635606), (399, 1557720), (420, 1479834), (456, 1363005), (504, 1233195), (513, 1211560), (532, 1168290), (540, 1150982), (570, 1090404), (630, 986556), (665, 934632), (684, 908670), (756, 822130), (760, 817803), (798, 778860), (840, 739917), (855, 726936), (945, 657704), (1026, 605780), (1064, 584145), (1080, 575491), (1140, 545202), (1197, 519240), (1260, 493278), (1330, 467316), (1368, 454335), (1512, 411065), (1596, 389430), (1710, 363468), (1890, 328852), (1995, 311544), (2052, 302890), (2280, 272601), (2394, 259620), (2520, 246639), (2565, 242312), (2660, 233658), (3192, 194715), (3420, 181734), (3591, 173080), (3780, 164426), (3990, 155772), (4104, 151445), (4327, 143640), (4788, 129810), (5130, 121156), (5320, 116829), (5985, 103848), (6840, 90867), (7182, 86540), (7560, 82213), (7980, 77886), (8654, 71820), (9576, 64905), (10260, 60578), (11970, 51924), (12981, 47880), (14364, 43270), (15960, 38943), (17308, 35910), (17955, 34616), (20520, 30289), (21635, 28728), (23940, 25962)]