521464020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 288

約数和(自身を含む): 1899061248

約数和(自身を除く): 1377597228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 121, 124, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 242, 308, 310, 330, 331, 341, 363, 372, 385, 420, 434, 462, 465, 484, 605, 620, 651, 660, 662, 682, 726, 770, 847, 868, 924, 930, 993, 1023, 1085, 1155, 1210, 1302, 1324, 1364, 1452, 1540, 1655, 1694, 1705, 1815, 1860, 1986, 2046, 2170, 2310, 2317, 2387, 2420, 2541, 2604, 3255, 3310, 3388, 3410, 3630, 3641, 3751, 3972, 4092, 4235, 4340, 4620, 4634, 4774, 4965, 5082, 5115, 6510, 6620, 6820, 6951, 7161, 7260, 7282, 7502, 8470, 9268, 9548, 9930, 10164, 10230, 10261, 10923, 11253, 11585, 11935, 12705, 13020, 13902, 14322, 14564, 15004, 16940, 18205, 18755, 19860, 20460, 20522, 21846, 22506, 23170, 23870, 25410, 25487, 26257, 27804, 28644, 30783, 34755, 35805, 36410, 37510, 40051, 41044, 43692, 45012, 46340, 47740, 50820, 50974, 51305, 52514, 54615, 56265, 61566, 69510, 71610, 71827, 72820, 75020, 76461, 78771, 80102, 101948, 102610, 105028, 109230, 112530, 112871, 120153, 123132, 127435, 131285, 139020, 143220, 143654, 152922, 153915, 157542, 160204, 200255, 205220, 215481, 218460, 225060, 225742, 240306, 254870, 262570, 280357, 287308, 305844, 307830, 315084, 338613, 359135, 382305, 393855, 400510, 430962, 451484, 480612, 509740, 525140, 560714, 564355, 600765, 615660, 677226, 718270, 764610, 787710, 790097, 801020, 841071, 861924, 1077405, 1121428, 1128710, 1201530, 1241581, 1354452, 1401785, 1436540, 1529220, 1575420, 1580194, 1682142, 1693065, 2154810, 2257420, 2370291, 2403060, 2483162, 2803570, 3160388, 3364284, 3386130, 3724743, 3950485, 4205355, 4309620, 4740582, 4966324, 5607140, 6207905, 6772260, 7449486, 7900970, 8410710, 8691067, 9481164, 11851455, 12415810, 14898972, 15801940, 16821420, 17382134, 18623715, 23702910, 24831620, 26073201, 34764268, 37247430, 43455335, 47405820, 52146402, 74494860, 86910670, 104292804, 130366005, 173821340, 260732010, 521464020]

約数ペア:

[(1, 521464020), (2, 260732010), (3, 173821340), (4, 130366005), (5, 104292804), (6, 86910670), (7, 74494860), (10, 52146402), (11, 47405820), (12, 43455335), (14, 37247430), (15, 34764268), (20, 26073201), (21, 24831620), (22, 23702910), (28, 18623715), (30, 17382134), (31, 16821420), (33, 15801940), (35, 14898972), (42, 12415810), (44, 11851455), (55, 9481164), (60, 8691067), (62, 8410710), (66, 7900970), (70, 7449486), (77, 6772260), (84, 6207905), (93, 5607140), (105, 4966324), (110, 4740582), (121, 4309620), (124, 4205355), (132, 3950485), (140, 3724743), (154, 3386130), (155, 3364284), (165, 3160388), (186, 2803570), (210, 2483162), (217, 2403060), (220, 2370291), (231, 2257420), (242, 2154810), (308, 1693065), (310, 1682142), (330, 1580194), (331, 1575420), (341, 1529220), (363, 1436540), (372, 1401785), (385, 1354452), (420, 1241581), (434, 1201530), (462, 1128710), (465, 1121428), (484, 1077405), (605, 861924), (620, 841071), (651, 801020), (660, 790097), (662, 787710), (682, 764610), (726, 718270), (770, 677226), (847, 615660), (868, 600765), (924, 564355), (930, 560714), (993, 525140), (1023, 509740), (1085, 480612), (1155, 451484), (1210, 430962), (1302, 400510), (1324, 393855), (1364, 382305), (1452, 359135), (1540, 338613), (1655, 315084), (1694, 307830), (1705, 305844), (1815, 287308), (1860, 280357), (1986, 262570), (2046, 254870), (2170, 240306), (2310, 225742), (2317, 225060), (2387, 218460), (2420, 215481), (2541, 205220), (2604, 200255), (3255, 160204), (3310, 157542), (3388, 153915), (3410, 152922), (3630, 143654), (3641, 143220), (3751, 139020), (3972, 131285), (4092, 127435), (4235, 123132), (4340, 120153), (4620, 112871), (4634, 112530), (4774, 109230), (4965, 105028), (5082, 102610), (5115, 101948), (6510, 80102), (6620, 78771), (6820, 76461), (6951, 75020), (7161, 72820), (7260, 71827), (7282, 71610), (7502, 69510), (8470, 61566), (9268, 56265), (9548, 54615), (9930, 52514), (10164, 51305), (10230, 50974), (10261, 50820), (10923, 47740), (11253, 46340), (11585, 45012), (11935, 43692), (12705, 41044), (13020, 40051), (13902, 37510), (14322, 36410), (14564, 35805), (15004, 34755), (16940, 30783), (18205, 28644), (18755, 27804), (19860, 26257), (20460, 25487), (20522, 25410), (21846, 23870), (22506, 23170)]