221321640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 256

約数和(自身を含む): 755827200

約数和(自身を除く): 534505560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 53, 60, 68, 69, 85, 89, 92, 102, 106, 115, 120, 136, 138, 159, 170, 178, 184, 204, 212, 230, 255, 265, 267, 276, 318, 340, 345, 356, 391, 408, 424, 445, 460, 510, 530, 534, 552, 636, 680, 690, 712, 782, 795, 890, 901, 920, 1020, 1060, 1068, 1173, 1219, 1272, 1335, 1380, 1513, 1564, 1590, 1780, 1802, 1955, 2040, 2047, 2120, 2136, 2346, 2438, 2670, 2703, 2760, 3026, 3128, 3180, 3560, 3604, 3657, 3910, 4094, 4505, 4539, 4692, 4717, 4876, 5340, 5406, 5865, 6052, 6095, 6141, 6360, 7208, 7314, 7565, 7820, 8188, 9010, 9078, 9384, 9434, 9752, 10235, 10680, 10812, 11730, 12104, 12190, 12282, 13515, 14151, 14628, 15130, 15640, 16376, 18020, 18156, 18285, 18868, 20470, 20723, 21624, 22695, 23460, 23585, 24380, 24564, 27030, 28302, 29256, 30260, 30705, 34799, 36040, 36312, 36570, 37736, 40940, 41446, 45390, 46920, 47170, 48760, 49128, 54060, 56604, 60520, 61410, 62169, 69598, 70755, 73140, 80189, 81880, 82892, 90780, 94340, 103615, 104397, 108120, 108491, 113208, 122820, 124338, 139196, 141510, 146280, 160378, 165784, 173995, 181560, 188680, 207230, 208794, 216982, 240567, 245640, 248676, 278392, 283020, 310845, 320756, 325473, 347990, 400945, 414460, 417588, 433964, 481134, 497352, 521985, 542455, 566040, 621690, 641512, 650946, 695980, 801890, 828920, 835176, 867928, 962268, 1043970, 1084910, 1202835, 1243380, 1301892, 1391960, 1603780, 1627365, 1844347, 1924536, 2087940, 2169820, 2405670, 2486760, 2603784, 3207560, 3254730, 3688694, 4175880, 4339640, 4811340, 5533041, 6509460, 7377388, 9221735, 9622680, 11066082, 13018920, 14754776, 18443470, 22132164, 27665205, 36886940, 44264328, 55330410, 73773880, 110660820, 221321640]

約数ペア:

[(1, 221321640), (2, 110660820), (3, 73773880), (4, 55330410), (5, 44264328), (6, 36886940), (8, 27665205), (10, 22132164), (12, 18443470), (15, 14754776), (17, 13018920), (20, 11066082), (23, 9622680), (24, 9221735), (30, 7377388), (34, 6509460), (40, 5533041), (46, 4811340), (51, 4339640), (53, 4175880), (60, 3688694), (68, 3254730), (69, 3207560), (85, 2603784), (89, 2486760), (92, 2405670), (102, 2169820), (106, 2087940), (115, 1924536), (120, 1844347), (136, 1627365), (138, 1603780), (159, 1391960), (170, 1301892), (178, 1243380), (184, 1202835), (204, 1084910), (212, 1043970), (230, 962268), (255, 867928), (265, 835176), (267, 828920), (276, 801890), (318, 695980), (340, 650946), (345, 641512), (356, 621690), (391, 566040), (408, 542455), (424, 521985), (445, 497352), (460, 481134), (510, 433964), (530, 417588), (534, 414460), (552, 400945), (636, 347990), (680, 325473), (690, 320756), (712, 310845), (782, 283020), (795, 278392), (890, 248676), (901, 245640), (920, 240567), (1020, 216982), (1060, 208794), (1068, 207230), (1173, 188680), (1219, 181560), (1272, 173995), (1335, 165784), (1380, 160378), (1513, 146280), (1564, 141510), (1590, 139196), (1780, 124338), (1802, 122820), (1955, 113208), (2040, 108491), (2047, 108120), (2120, 104397), (2136, 103615), (2346, 94340), (2438, 90780), (2670, 82892), (2703, 81880), (2760, 80189), (3026, 73140), (3128, 70755), (3180, 69598), (3560, 62169), (3604, 61410), (3657, 60520), (3910, 56604), (4094, 54060), (4505, 49128), (4539, 48760), (4692, 47170), (4717, 46920), (4876, 45390), (5340, 41446), (5406, 40940), (5865, 37736), (6052, 36570), (6095, 36312), (6141, 36040), (6360, 34799), (7208, 30705), (7314, 30260), (7565, 29256), (7820, 28302), (8188, 27030), (9010, 24564), (9078, 24380), (9384, 23585), (9434, 23460), (9752, 22695), (10235, 21624), (10680, 20723), (10812, 20470), (11730, 18868), (12104, 18285), (12190, 18156), (12282, 18020), (13515, 16376), (14151, 15640), (14628, 15130)]