405455440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 1151176320

約数和(自身を除く): 745720880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 71, 76, 80, 85, 95, 104, 130, 136, 142, 152, 170, 190, 208, 221, 247, 260, 272, 284, 289, 304, 323, 340, 355, 380, 442, 494, 520, 568, 578, 646, 680, 710, 760, 884, 923, 988, 1040, 1105, 1136, 1156, 1207, 1235, 1292, 1349, 1360, 1420, 1445, 1520, 1615, 1768, 1846, 1976, 2210, 2312, 2414, 2470, 2584, 2698, 2840, 2890, 3230, 3536, 3692, 3757, 3952, 4199, 4420, 4615, 4624, 4828, 4940, 5168, 5396, 5491, 5680, 5780, 6035, 6460, 6745, 7384, 7514, 8398, 8840, 9230, 9656, 9880, 10792, 10982, 11560, 12070, 12920, 13490, 14768, 15028, 15691, 16796, 17537, 17680, 18460, 18785, 19312, 19760, 20519, 20995, 21584, 21964, 22933, 23120, 24140, 25840, 26980, 27455, 30056, 31382, 33592, 35074, 36920, 37570, 41038, 41990, 43928, 45866, 48280, 53960, 54910, 60112, 62764, 67184, 70148, 71383, 73840, 75140, 78455, 82076, 83980, 87685, 87856, 91732, 96560, 102595, 107920, 109820, 114665, 125528, 140296, 142766, 150280, 156910, 164152, 167960, 175370, 183464, 205190, 219640, 229330, 251056, 266747, 280592, 285532, 298129, 300560, 313820, 328304, 335920, 350740, 356915, 366928, 389861, 410380, 439280, 458660, 533494, 571064, 596258, 627640, 701480, 713830, 779722, 820760, 917320, 1066988, 1142128, 1192516, 1255280, 1333735, 1402960, 1427660, 1490645, 1559444, 1641520, 1834640, 1949305, 2133976, 2385032, 2667470, 2855320, 2981290, 3118888, 3898610, 4267952, 4770064, 5068193, 5334940, 5710640, 5962580, 6237776, 7797220, 10136386, 10669880, 11925160, 15594440, 20272772, 21339760, 23850320, 25340965, 31188880, 40545544, 50681930, 81091088, 101363860, 202727720, 405455440]

約数ペア:

[(1, 405455440), (2, 202727720), (4, 101363860), (5, 81091088), (8, 50681930), (10, 40545544), (13, 31188880), (16, 25340965), (17, 23850320), (19, 21339760), (20, 20272772), (26, 15594440), (34, 11925160), (38, 10669880), (40, 10136386), (52, 7797220), (65, 6237776), (68, 5962580), (71, 5710640), (76, 5334940), (80, 5068193), (85, 4770064), (95, 4267952), (104, 3898610), (130, 3118888), (136, 2981290), (142, 2855320), (152, 2667470), (170, 2385032), (190, 2133976), (208, 1949305), (221, 1834640), (247, 1641520), (260, 1559444), (272, 1490645), (284, 1427660), (289, 1402960), (304, 1333735), (323, 1255280), (340, 1192516), (355, 1142128), (380, 1066988), (442, 917320), (494, 820760), (520, 779722), (568, 713830), (578, 701480), (646, 627640), (680, 596258), (710, 571064), (760, 533494), (884, 458660), (923, 439280), (988, 410380), (1040, 389861), (1105, 366928), (1136, 356915), (1156, 350740), (1207, 335920), (1235, 328304), (1292, 313820), (1349, 300560), (1360, 298129), (1420, 285532), (1445, 280592), (1520, 266747), (1615, 251056), (1768, 229330), (1846, 219640), (1976, 205190), (2210, 183464), (2312, 175370), (2414, 167960), (2470, 164152), (2584, 156910), (2698, 150280), (2840, 142766), (2890, 140296), (3230, 125528), (3536, 114665), (3692, 109820), (3757, 107920), (3952, 102595), (4199, 96560), (4420, 91732), (4615, 87856), (4624, 87685), (4828, 83980), (4940, 82076), (5168, 78455), (5396, 75140), (5491, 73840), (5680, 71383), (5780, 70148), (6035, 67184), (6460, 62764), (6745, 60112), (7384, 54910), (7514, 53960), (8398, 48280), (8840, 45866), (9230, 43928), (9656, 41990), (9880, 41038), (10792, 37570), (10982, 36920), (11560, 35074), (12070, 33592), (12920, 31382), (13490, 30056), (14768, 27455), (15028, 26980), (15691, 25840), (16796, 24140), (17537, 23120), (17680, 22933), (18460, 21964), (18785, 21584), (19312, 20995), (19760, 20519)]