885729520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 2323851264

約数和(自身を除く): 1438121744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 83, 104, 124, 130, 155, 166, 208, 248, 260, 310, 331, 332, 403, 415, 496, 520, 620, 662, 664, 806, 830, 1040, 1079, 1240, 1324, 1328, 1612, 1655, 1660, 2015, 2158, 2480, 2573, 2648, 3224, 3310, 3320, 4030, 4303, 4316, 5146, 5296, 5395, 6448, 6620, 6640, 8060, 8606, 8632, 10261, 10292, 10790, 12865, 13240, 16120, 17212, 17264, 20522, 20584, 21515, 21580, 25730, 26480, 27473, 32240, 33449, 34424, 41044, 41168, 43030, 43160, 51305, 51460, 54946, 66898, 68848, 82088, 86060, 86320, 102610, 102920, 109892, 133393, 133796, 137365, 164176, 167245, 172120, 205220, 205840, 219784, 266786, 267592, 274730, 334490, 344240, 357149, 410440, 439568, 533572, 535184, 549460, 666965, 668980, 714298, 820880, 851663, 1067144, 1098920, 1333930, 1337960, 1428596, 1703326, 1785745, 2134288, 2197840, 2667860, 2675920, 2857192, 3406652, 3571490, 4258315, 5335720, 5714384, 6813304, 7142980, 8516630, 10671440, 11071619, 13626608, 14285960, 17033260, 22143238, 28571920, 34066520, 44286476, 55358095, 68133040, 88572952, 110716190, 177145904, 221432380, 442864760, 885729520]

約数ペア:

[(1, 885729520), (2, 442864760), (4, 221432380), (5, 177145904), (8, 110716190), (10, 88572952), (13, 68133040), (16, 55358095), (20, 44286476), (26, 34066520), (31, 28571920), (40, 22143238), (52, 17033260), (62, 14285960), (65, 13626608), (80, 11071619), (83, 10671440), (104, 8516630), (124, 7142980), (130, 6813304), (155, 5714384), (166, 5335720), (208, 4258315), (248, 3571490), (260, 3406652), (310, 2857192), (331, 2675920), (332, 2667860), (403, 2197840), (415, 2134288), (496, 1785745), (520, 1703326), (620, 1428596), (662, 1337960), (664, 1333930), (806, 1098920), (830, 1067144), (1040, 851663), (1079, 820880), (1240, 714298), (1324, 668980), (1328, 666965), (1612, 549460), (1655, 535184), (1660, 533572), (2015, 439568), (2158, 410440), (2480, 357149), (2573, 344240), (2648, 334490), (3224, 274730), (3310, 267592), (3320, 266786), (4030, 219784), (4303, 205840), (4316, 205220), (5146, 172120), (5296, 167245), (5395, 164176), (6448, 137365), (6620, 133796), (6640, 133393), (8060, 109892), (8606, 102920), (8632, 102610), (10261, 86320), (10292, 86060), (10790, 82088), (12865, 68848), (13240, 66898), (16120, 54946), (17212, 51460), (17264, 51305), (20522, 43160), (20584, 43030), (21515, 41168), (21580, 41044), (25730, 34424), (26480, 33449), (27473, 32240)]