53174920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 135705600

約数和(自身を除く): 82530680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 61, 62, 74, 76, 95, 122, 124, 148, 152, 155, 185, 190, 244, 248, 296, 305, 310, 370, 380, 488, 589, 610, 620, 703, 740, 760, 1147, 1159, 1178, 1220, 1240, 1406, 1480, 1891, 2257, 2294, 2318, 2356, 2440, 2812, 2945, 3515, 3782, 4514, 4588, 4636, 4712, 5624, 5735, 5795, 5890, 7030, 7564, 9028, 9176, 9272, 9455, 11285, 11470, 11590, 11780, 14060, 15128, 18056, 18910, 21793, 22570, 22940, 23180, 23560, 28120, 35929, 37820, 42883, 43586, 45140, 45880, 46360, 69967, 71858, 75640, 85766, 87172, 90280, 108965, 139934, 143716, 171532, 174344, 179645, 214415, 217930, 279868, 287432, 343064, 349835, 359290, 428830, 435860, 559736, 699670, 718580, 857660, 871720, 1329373, 1399340, 1437160, 1715320, 2658746, 2798680, 5317492, 6646865, 10634984, 13293730, 26587460, 53174920]

約数ペア:

[(1, 53174920), (2, 26587460), (4, 13293730), (5, 10634984), (8, 6646865), (10, 5317492), (19, 2798680), (20, 2658746), (31, 1715320), (37, 1437160), (38, 1399340), (40, 1329373), (61, 871720), (62, 857660), (74, 718580), (76, 699670), (95, 559736), (122, 435860), (124, 428830), (148, 359290), (152, 349835), (155, 343064), (185, 287432), (190, 279868), (244, 217930), (248, 214415), (296, 179645), (305, 174344), (310, 171532), (370, 143716), (380, 139934), (488, 108965), (589, 90280), (610, 87172), (620, 85766), (703, 75640), (740, 71858), (760, 69967), (1147, 46360), (1159, 45880), (1178, 45140), (1220, 43586), (1240, 42883), (1406, 37820), (1480, 35929), (1891, 28120), (2257, 23560), (2294, 23180), (2318, 22940), (2356, 22570), (2440, 21793), (2812, 18910), (2945, 18056), (3515, 15128), (3782, 14060), (4514, 11780), (4588, 11590), (4636, 11470), (4712, 11285), (5624, 9455), (5735, 9272), (5795, 9176), (5890, 9028), (7030, 7564)]