321464520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 1135134000

約数和(自身を除く): 813669480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 149, 156, 180, 195, 234, 260, 298, 312, 360, 390, 447, 461, 468, 520, 585, 596, 745, 780, 894, 922, 936, 1170, 1192, 1341, 1383, 1490, 1560, 1788, 1844, 1937, 2235, 2305, 2340, 2682, 2766, 2980, 3576, 3688, 3874, 4149, 4470, 4610, 4680, 5364, 5532, 5811, 5960, 5993, 6705, 6915, 7748, 8298, 8940, 9220, 9685, 10728, 11064, 11622, 11986, 13410, 13830, 15496, 16596, 17433, 17880, 17979, 18440, 19370, 20745, 23244, 23972, 26820, 27660, 29055, 29965, 33192, 34866, 35958, 38740, 41490, 46488, 47944, 53640, 53937, 55320, 58110, 59930, 68689, 69732, 71916, 77480, 82980, 87165, 89895, 107874, 116220, 119860, 137378, 139464, 143832, 165960, 174330, 179790, 206067, 215748, 232440, 239720, 269685, 274756, 343445, 348660, 359580, 412134, 431496, 539370, 549512, 618201, 686890, 697320, 719160, 824268, 892957, 1030335, 1078740, 1236402, 1373780, 1648536, 1785914, 2060670, 2157480, 2472804, 2678871, 2747560, 3091005, 3571828, 4121340, 4464785, 4945608, 5357742, 6182010, 7143656, 8036613, 8242680, 8929570, 10715484, 12364020, 13394355, 16073226, 17859140, 21430968, 24728040, 26788710, 32146452, 35718280, 40183065, 53577420, 64292904, 80366130, 107154840, 160732260, 321464520]

約数ペア:

[(1, 321464520), (2, 160732260), (3, 107154840), (4, 80366130), (5, 64292904), (6, 53577420), (8, 40183065), (9, 35718280), (10, 32146452), (12, 26788710), (13, 24728040), (15, 21430968), (18, 17859140), (20, 16073226), (24, 13394355), (26, 12364020), (30, 10715484), (36, 8929570), (39, 8242680), (40, 8036613), (45, 7143656), (52, 6182010), (60, 5357742), (65, 4945608), (72, 4464785), (78, 4121340), (90, 3571828), (104, 3091005), (117, 2747560), (120, 2678871), (130, 2472804), (149, 2157480), (156, 2060670), (180, 1785914), (195, 1648536), (234, 1373780), (260, 1236402), (298, 1078740), (312, 1030335), (360, 892957), (390, 824268), (447, 719160), (461, 697320), (468, 686890), (520, 618201), (585, 549512), (596, 539370), (745, 431496), (780, 412134), (894, 359580), (922, 348660), (936, 343445), (1170, 274756), (1192, 269685), (1341, 239720), (1383, 232440), (1490, 215748), (1560, 206067), (1788, 179790), (1844, 174330), (1937, 165960), (2235, 143832), (2305, 139464), (2340, 137378), (2682, 119860), (2766, 116220), (2980, 107874), (3576, 89895), (3688, 87165), (3874, 82980), (4149, 77480), (4470, 71916), (4610, 69732), (4680, 68689), (5364, 59930), (5532, 58110), (5811, 55320), (5960, 53937), (5993, 53640), (6705, 47944), (6915, 46488), (7748, 41490), (8298, 38740), (8940, 35958), (9220, 34866), (9685, 33192), (10728, 29965), (11064, 29055), (11622, 27660), (11986, 26820), (13410, 23972), (13830, 23244), (15496, 20745), (16596, 19370), (17433, 18440), (17880, 17979)]