About the Number

1457409720

1457409719 ← → 1457409721

2進数表記:1010110110111100100111010111000

漢数字表記:十四億五千七百四十万九千七百二十

素因数分解:

2 3 × 3 1 × 5 1 × 13 1 × 23 1 × 151 1 × 269 1

素因数の和:470
約数の個数: 256
約数和(自身を含む): 4964198400
約数和(自身を除く): 3506788680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 151, 156, 184, 195, 230, 260, 269, 276, 299, 302, 312, 345, 390, 453, 460, 520, 538, 552, 598, 604, 690, 755, 780, 807, 897, 906, 920, 1076, 1196, 1208, 1345, 1380, 1495, 1510, 1560, 1614, 1794, 1812, 1963, 2152, 2265, 2392, 2690, 2760, 2990, 3020, 3228, 3473, 3497, 3588, 3624, 3926, 4035, 4485, 4530, 5380, 5889, 5980, 6040, 6187, 6456, 6946, 6994, 7176, 7852, 8070, 8970, 9060, 9815, 10419, 10491, 10760, 11778, 11960, 12374, 13892, 13988, 15704, 16140, 17365, 17485, 17940, 18120, 18561, 19630, 20838, 20982, 23556, 24748, 27784, 27976, 29445, 30935, 32280, 34730, 34970, 35880, 37122, 39260, 40619, 41676, 41964, 45149, 47112, 49496, 52095, 52455, 58890, 61870, 69460, 69940, 74244, 78520, 80431, 81238, 83352, 83928, 90298, 92805, 104190, 104910, 117780, 121857, 123740, 135447, 138920, 139880, 148488, 160862, 162476, 180596, 185610, 203095, 208380, 209820, 225745, 235560, 241293, 243714, 247480, 270894, 321724, 324952, 361192, 371220, 402155, 406190, 416760, 419640, 451490, 482586, 487428, 528047, 541788, 609285, 643448, 677235, 742440, 804310, 812380, 902980, 934237, 965172, 974856, 1056094, 1083576, 1206465, 1218570, 1354470, 1584141, 1608620, 1624760, 1805960, 1868474, 1930344, 2112188, 2412930, 2437140, 2640235, 2708940, 2802711, 3168282, 3217240, 3736948, 4224376, 4671185, 4825860, 4874280, 5280470, 5417880, 5605422, 6336564, 7473896, 7920705, 9342370, 9651720, 10560940, 11210844, 12145081, 12673128, 14013555, 15841410, 18684740, 21121880, 22421688, 24290162, 28027110, 31682820, 36435243, 37369480, 48580324, 56054220, 60725405, 63365640, 72870486, 97160648, 112108440, 121450810, 145740972, 182176215, 242901620, 291481944, 364352430, 485803240, 728704860, 1457409720]

約数ペア:
[(1, 1457409720), (2, 728704860), (3, 485803240), (4, 364352430), (5, 291481944), (6, 242901620), (8, 182176215), (10, 145740972), (12, 121450810), (13, 112108440), (15, 97160648), (20, 72870486), (23, 63365640), (24, 60725405), (26, 56054220), (30, 48580324), (39, 37369480), (40, 36435243), (46, 31682820), (52, 28027110), (60, 24290162), (65, 22421688), (69, 21121880), (78, 18684740), (92, 15841410), (104, 14013555), (115, 12673128), (120, 12145081), (130, 11210844), (138, 10560940), (151, 9651720), (156, 9342370), (184, 7920705), (195, 7473896), (230, 6336564), (260, 5605422), (269, 5417880), (276, 5280470), (299, 4874280), (302, 4825860), (312, 4671185), (345, 4224376), (390, 3736948), (453, 3217240), (460, 3168282), (520, 2802711), (538, 2708940), (552, 2640235), (598, 2437140), (604, 2412930), (690, 2112188), (755, 1930344), (780, 1868474), (807, 1805960), (897, 1624760), (906, 1608620), (920, 1584141), (1076, 1354470), (1196, 1218570), (1208, 1206465), (1345, 1083576), (1380, 1056094), (1495, 974856), (1510, 965172), (1560, 934237), (1614, 902980), (1794, 812380), (1812, 804310), (1963, 742440), (2152, 677235), (2265, 643448), (2392, 609285), (2690, 541788), (2760, 528047), (2990, 487428), (3020, 482586), (3228, 451490), (3473, 419640), (3497, 416760), (3588, 406190), (3624, 402155), (3926, 371220), (4035, 361192), (4485, 324952), (4530, 321724), (5380, 270894), (5889, 247480), (5980, 243714), (6040, 241293), (6187, 235560), (6456, 225745), (6946, 209820), (6994, 208380), (7176, 203095), (7852, 185610), (8070, 180596), (8970, 162476), (9060, 160862), (9815, 148488), (10419, 139880), (10491, 138920), (10760, 135447), (11778, 123740), (11960, 121857), (12374, 117780), (13892, 104910), (13988, 104190), (15704, 92805), (16140, 90298), (17365, 83928), (17485, 83352), (17940, 81238), (18120, 80431), (18561, 78520), (19630, 74244), (20838, 69940), (20982, 69460), (23556, 61870), (24748, 58890), (27784, 52455), (27976, 52095), (29445, 49496), (30935, 47112), (32280, 45149), (34730, 41964), (34970, 41676), (35880, 40619), (37122, 39260)]

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