51613520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 146562048

約数和(自身を除く): 94948528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 47, 53, 56, 70, 74, 80, 94, 106, 112, 140, 148, 185, 188, 212, 235, 259, 265, 280, 296, 329, 370, 371, 376, 424, 470, 518, 530, 560, 592, 658, 740, 742, 752, 848, 940, 1036, 1060, 1295, 1316, 1480, 1484, 1645, 1739, 1855, 1880, 1961, 2072, 2120, 2491, 2590, 2632, 2960, 2968, 3290, 3478, 3710, 3760, 3922, 4144, 4240, 4982, 5180, 5264, 5936, 6580, 6956, 7420, 7844, 8695, 9805, 9964, 10360, 12173, 12455, 13160, 13727, 13912, 14840, 15688, 17390, 17437, 19610, 19928, 20720, 24346, 24910, 26320, 27454, 27824, 29680, 31376, 34780, 34874, 39220, 39856, 48692, 49820, 54908, 60865, 68635, 69560, 69748, 78440, 87185, 92167, 97384, 99640, 109816, 121730, 137270, 139120, 139496, 156880, 174370, 184334, 194768, 199280, 219632, 243460, 274540, 278992, 348740, 368668, 460835, 486920, 549080, 645169, 697480, 737336, 921670, 973840, 1098160, 1290338, 1394960, 1474672, 1843340, 2580676, 3225845, 3686680, 5161352, 6451690, 7373360, 10322704, 12903380, 25806760, 51613520]

約数ペア:

[(1, 51613520), (2, 25806760), (4, 12903380), (5, 10322704), (7, 7373360), (8, 6451690), (10, 5161352), (14, 3686680), (16, 3225845), (20, 2580676), (28, 1843340), (35, 1474672), (37, 1394960), (40, 1290338), (47, 1098160), (53, 973840), (56, 921670), (70, 737336), (74, 697480), (80, 645169), (94, 549080), (106, 486920), (112, 460835), (140, 368668), (148, 348740), (185, 278992), (188, 274540), (212, 243460), (235, 219632), (259, 199280), (265, 194768), (280, 184334), (296, 174370), (329, 156880), (370, 139496), (371, 139120), (376, 137270), (424, 121730), (470, 109816), (518, 99640), (530, 97384), (560, 92167), (592, 87185), (658, 78440), (740, 69748), (742, 69560), (752, 68635), (848, 60865), (940, 54908), (1036, 49820), (1060, 48692), (1295, 39856), (1316, 39220), (1480, 34874), (1484, 34780), (1645, 31376), (1739, 29680), (1855, 27824), (1880, 27454), (1961, 26320), (2072, 24910), (2120, 24346), (2491, 20720), (2590, 19928), (2632, 19610), (2960, 17437), (2968, 17390), (3290, 15688), (3478, 14840), (3710, 13912), (3760, 13727), (3922, 13160), (4144, 12455), (4240, 12173), (4982, 10360), (5180, 9964), (5264, 9805), (5936, 8695), (6580, 7844), (6956, 7420)]