71011320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 220968000

約数和(自身を除く): 149956680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 89, 109, 120, 122, 178, 183, 218, 244, 267, 305, 327, 356, 366, 436, 445, 488, 534, 545, 610, 654, 712, 732, 872, 890, 915, 1068, 1090, 1220, 1308, 1335, 1464, 1635, 1780, 1830, 2136, 2180, 2440, 2616, 2670, 3270, 3560, 3660, 4360, 5340, 5429, 6540, 6649, 7320, 9701, 10680, 10858, 13080, 13298, 16287, 19402, 19947, 21716, 26596, 27145, 29103, 32574, 33245, 38804, 39894, 43432, 48505, 53192, 54290, 58206, 65148, 66490, 77608, 79788, 81435, 97010, 99735, 108580, 116412, 130296, 132980, 145515, 159576, 162870, 194020, 199470, 217160, 232824, 265960, 291030, 325740, 388040, 398940, 582060, 591761, 651480, 797880, 1164120, 1183522, 1775283, 2367044, 2958805, 3550566, 4734088, 5917610, 7101132, 8876415, 11835220, 14202264, 17752830, 23670440, 35505660, 71011320]

約数ペア:

[(1, 71011320), (2, 35505660), (3, 23670440), (4, 17752830), (5, 14202264), (6, 11835220), (8, 8876415), (10, 7101132), (12, 5917610), (15, 4734088), (20, 3550566), (24, 2958805), (30, 2367044), (40, 1775283), (60, 1183522), (61, 1164120), (89, 797880), (109, 651480), (120, 591761), (122, 582060), (178, 398940), (183, 388040), (218, 325740), (244, 291030), (267, 265960), (305, 232824), (327, 217160), (356, 199470), (366, 194020), (436, 162870), (445, 159576), (488, 145515), (534, 132980), (545, 130296), (610, 116412), (654, 108580), (712, 99735), (732, 97010), (872, 81435), (890, 79788), (915, 77608), (1068, 66490), (1090, 65148), (1220, 58206), (1308, 54290), (1335, 53192), (1464, 48505), (1635, 43432), (1780, 39894), (1830, 38804), (2136, 33245), (2180, 32574), (2440, 29103), (2616, 27145), (2670, 26596), (3270, 21716), (3560, 19947), (3660, 19402), (4360, 16287), (5340, 13298), (5429, 13080), (6540, 10858), (6649, 10680), (7320, 9701)]