640467360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34213}}^1$

素因数の和:34247

約数の個数: 144

約数和(自身を含む): 2353786344

約数和(自身を除く): 1713318984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 34213, 68426, 102639, 136852, 171065, 205278, 273704, 307917, 342130, 410556, 444769, 513195, 547408, 615834, 684260, 821112, 889538, 1026390, 1094816, 1231668, 1334307, 1368520, 1539585, 1642224, 1779076, 2052780, 2223845, 2463336, 2668614, 2737040, 3079170, 3284448, 3558152, 4002921, 4105560, 4447690, 4926672, 5337228, 5474080, 6158340, 6671535, 7116304, 8005842, 8211120, 8895380, 9853344, 10674456, 12316680, 13343070, 14232608, 16011684, 16422240, 17790760, 20014605, 21348912, 24633360, 26686140, 32023368, 35581520, 40029210, 42697824, 49266720, 53372280, 64046736, 71163040, 80058420, 106744560, 128093472, 160116840, 213489120, 320233680, 640467360]

約数ペア:

[(1, 640467360), (2, 320233680), (3, 213489120), (4, 160116840), (5, 128093472), (6, 106744560), (8, 80058420), (9, 71163040), (10, 64046736), (12, 53372280), (13, 49266720), (15, 42697824), (16, 40029210), (18, 35581520), (20, 32023368), (24, 26686140), (26, 24633360), (30, 21348912), (32, 20014605), (36, 17790760), (39, 16422240), (40, 16011684), (45, 14232608), (48, 13343070), (52, 12316680), (60, 10674456), (65, 9853344), (72, 8895380), (78, 8211120), (80, 8005842), (90, 7116304), (96, 6671535), (104, 6158340), (117, 5474080), (120, 5337228), (130, 4926672), (144, 4447690), (156, 4105560), (160, 4002921), (180, 3558152), (195, 3284448), (208, 3079170), (234, 2737040), (240, 2668614), (260, 2463336), (288, 2223845), (312, 2052780), (360, 1779076), (390, 1642224), (416, 1539585), (468, 1368520), (480, 1334307), (520, 1231668), (585, 1094816), (624, 1026390), (720, 889538), (780, 821112), (936, 684260), (1040, 615834), (1170, 547408), (1248, 513195), (1440, 444769), (1560, 410556), (1872, 342130), (2080, 307917), (2340, 273704), (3120, 205278), (3744, 171065), (4680, 136852), (6240, 102639), (9360, 68426), (18720, 34213)]