287530880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4976

約数の個数: 128

約数和(自身を含む): 846175680

約数和(自身を除く): 558644800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 4937, 5824, 7280, 8320, 9874, 11648, 14560, 19748, 24685, 29120, 34559, 39496, 49370, 58240, 64181, 69118, 78992, 98740, 128362, 138236, 157984, 172795, 197480, 256724, 276472, 315968, 320905, 345590, 394960, 449267, 513448, 552944, 631936, 641810, 691180, 789920, 898534, 1026896, 1105888, 1283620, 1382360, 1579840, 1797068, 2053792, 2211776, 2246335, 2567240, 2764720, 3159680, 3594136, 4107584, 4423552, 4492670, 5134480, 5529440, 7188272, 8215168, 8985340, 10268960, 11058880, 14376544, 17970680, 20537920, 22117760, 28753088, 35941360, 41075840, 57506176, 71882720, 143765440, 287530880]

約数ペア:

[(1, 287530880), (2, 143765440), (4, 71882720), (5, 57506176), (7, 41075840), (8, 35941360), (10, 28753088), (13, 22117760), (14, 20537920), (16, 17970680), (20, 14376544), (26, 11058880), (28, 10268960), (32, 8985340), (35, 8215168), (40, 7188272), (52, 5529440), (56, 5134480), (64, 4492670), (65, 4423552), (70, 4107584), (80, 3594136), (91, 3159680), (104, 2764720), (112, 2567240), (128, 2246335), (130, 2211776), (140, 2053792), (160, 1797068), (182, 1579840), (208, 1382360), (224, 1283620), (260, 1105888), (280, 1026896), (320, 898534), (364, 789920), (416, 691180), (448, 641810), (455, 631936), (520, 552944), (560, 513448), (640, 449267), (728, 394960), (832, 345590), (896, 320905), (910, 315968), (1040, 276472), (1120, 256724), (1456, 197480), (1664, 172795), (1820, 157984), (2080, 138236), (2240, 128362), (2912, 98740), (3640, 78992), (4160, 69118), (4480, 64181), (4937, 58240), (5824, 49370), (7280, 39496), (8320, 34559), (9874, 29120), (11648, 24685), (14560, 19748)]