64204920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:319

約数の個数: 256

約数和(自身を含む): 244944000

約数和(自身を除く): 180739080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 170, 180, 195, 204, 216, 221, 234, 255, 260, 269, 270, 306, 312, 340, 351, 360, 390, 408, 442, 459, 468, 510, 520, 538, 540, 585, 612, 663, 680, 702, 765, 780, 807, 884, 918, 936, 1020, 1076, 1080, 1105, 1170, 1224, 1326, 1345, 1404, 1530, 1560, 1614, 1755, 1768, 1836, 1989, 2040, 2152, 2210, 2295, 2340, 2421, 2652, 2690, 2808, 3060, 3228, 3315, 3497, 3510, 3672, 3978, 4035, 4420, 4573, 4590, 4680, 4842, 5304, 5380, 5967, 6120, 6456, 6630, 6994, 7020, 7263, 7956, 8070, 8840, 9146, 9180, 9684, 9945, 10491, 10760, 11934, 12105, 13260, 13719, 13988, 14040, 14526, 15912, 16140, 17485, 18292, 18360, 19368, 19890, 20982, 22865, 23868, 24210, 26520, 27438, 27976, 29052, 29835, 31473, 32280, 34970, 36315, 36584, 39780, 41157, 41964, 45730, 47736, 48420, 52455, 54876, 58104, 59449, 59670, 62946, 68595, 69940, 72630, 79560, 82314, 83928, 91460, 94419, 96840, 104910, 109752, 118898, 119340, 123471, 125892, 137190, 139880, 145260, 157365, 164628, 178347, 182920, 188838, 205785, 209820, 237796, 238680, 246942, 251784, 274380, 290520, 297245, 314730, 329256, 356694, 377676, 411570, 419640, 472095, 475592, 493884, 535041, 548760, 594490, 617355, 629460, 713388, 755352, 823140, 891735, 944190, 987768, 1070082, 1188980, 1234710, 1258920, 1426776, 1605123, 1646280, 1783470, 1888380, 2140164, 2377960, 2469420, 2675205, 3210246, 3566940, 3776760, 4280328, 4938840, 5350410, 6420492, 7133880, 8025615, 10700820, 12840984, 16051230, 21401640, 32102460, 64204920]

約数ペア:

[(1, 64204920), (2, 32102460), (3, 21401640), (4, 16051230), (5, 12840984), (6, 10700820), (8, 8025615), (9, 7133880), (10, 6420492), (12, 5350410), (13, 4938840), (15, 4280328), (17, 3776760), (18, 3566940), (20, 3210246), (24, 2675205), (26, 2469420), (27, 2377960), (30, 2140164), (34, 1888380), (36, 1783470), (39, 1646280), (40, 1605123), (45, 1426776), (51, 1258920), (52, 1234710), (54, 1188980), (60, 1070082), (65, 987768), (68, 944190), (72, 891735), (78, 823140), (85, 755352), (90, 713388), (102, 629460), (104, 617355), (108, 594490), (117, 548760), (120, 535041), (130, 493884), (135, 475592), (136, 472095), (153, 419640), (156, 411570), (170, 377676), (180, 356694), (195, 329256), (204, 314730), (216, 297245), (221, 290520), (234, 274380), (255, 251784), (260, 246942), (269, 238680), (270, 237796), (306, 209820), (312, 205785), (340, 188838), (351, 182920), (360, 178347), (390, 164628), (408, 157365), (442, 145260), (459, 139880), (468, 137190), (510, 125892), (520, 123471), (538, 119340), (540, 118898), (585, 109752), (612, 104910), (663, 96840), (680, 94419), (702, 91460), (765, 83928), (780, 82314), (807, 79560), (884, 72630), (918, 69940), (936, 68595), (1020, 62946), (1076, 59670), (1080, 59449), (1105, 58104), (1170, 54876), (1224, 52455), (1326, 48420), (1345, 47736), (1404, 45730), (1530, 41964), (1560, 41157), (1614, 39780), (1755, 36584), (1768, 36315), (1836, 34970), (1989, 32280), (2040, 31473), (2152, 29835), (2210, 29052), (2295, 27976), (2340, 27438), (2421, 26520), (2652, 24210), (2690, 23868), (2808, 22865), (3060, 20982), (3228, 19890), (3315, 19368), (3497, 18360), (3510, 18292), (3672, 17485), (3978, 16140), (4035, 15912), (4420, 14526), (4573, 14040), (4590, 13988), (4680, 13719), (4842, 13260), (5304, 12105), (5380, 11934), (5967, 10760), (6120, 10491), (6456, 9945), (6630, 9684), (6994, 9180), (7020, 9146), (7263, 8840), (7956, 8070)]