1658158120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 4081881600

約数和(自身を除く): 2423723480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 61, 76, 94, 95, 122, 152, 188, 190, 235, 244, 305, 376, 380, 470, 488, 610, 760, 761, 893, 940, 1159, 1220, 1522, 1786, 1880, 2318, 2440, 2867, 3044, 3572, 3805, 4465, 4636, 5734, 5795, 6088, 7144, 7610, 8930, 9272, 11468, 11590, 14335, 14459, 15220, 17860, 22936, 23180, 28670, 28918, 30440, 35720, 35767, 46360, 46421, 54473, 57340, 57836, 71534, 72295, 92842, 108946, 114680, 115672, 143068, 144590, 178835, 185684, 217892, 232105, 272365, 286136, 289180, 357670, 371368, 435784, 464210, 544730, 578360, 679573, 715340, 881999, 928420, 1089460, 1359146, 1430680, 1763998, 1856840, 2178920, 2181787, 2718292, 3397865, 3527996, 4363574, 4409995, 5436584, 6795730, 7055992, 8727148, 8819990, 10908935, 13591460, 17454296, 17639980, 21817870, 27182920, 35279960, 41453953, 43635740, 82907906, 87271480, 165815812, 207269765, 331631624, 414539530, 829079060, 1658158120]

約数ペア:

[(1, 1658158120), (2, 829079060), (4, 414539530), (5, 331631624), (8, 207269765), (10, 165815812), (19, 87271480), (20, 82907906), (38, 43635740), (40, 41453953), (47, 35279960), (61, 27182920), (76, 21817870), (94, 17639980), (95, 17454296), (122, 13591460), (152, 10908935), (188, 8819990), (190, 8727148), (235, 7055992), (244, 6795730), (305, 5436584), (376, 4409995), (380, 4363574), (470, 3527996), (488, 3397865), (610, 2718292), (760, 2181787), (761, 2178920), (893, 1856840), (940, 1763998), (1159, 1430680), (1220, 1359146), (1522, 1089460), (1786, 928420), (1880, 881999), (2318, 715340), (2440, 679573), (2867, 578360), (3044, 544730), (3572, 464210), (3805, 435784), (4465, 371368), (4636, 357670), (5734, 289180), (5795, 286136), (6088, 272365), (7144, 232105), (7610, 217892), (8930, 185684), (9272, 178835), (11468, 144590), (11590, 143068), (14335, 115672), (14459, 114680), (15220, 108946), (17860, 92842), (22936, 72295), (23180, 71534), (28670, 57836), (28918, 57340), (30440, 54473), (35720, 46421), (35767, 46360)]