71650980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 235557504

約数和(自身を除く): 163906524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 641, 690, 810, 828, 972, 1035, 1215, 1242, 1282, 1380, 1620, 1863, 1923, 2070, 2430, 2484, 2564, 3105, 3205, 3726, 3846, 4140, 4860, 5589, 5769, 6210, 6410, 7452, 7692, 9315, 9615, 11178, 11538, 12420, 12820, 14743, 17307, 18630, 19230, 22356, 23076, 27945, 28845, 29486, 34614, 37260, 38460, 44229, 51921, 55890, 57690, 58972, 69228, 73715, 86535, 88458, 103842, 111780, 115380, 132687, 147430, 155763, 173070, 176916, 207684, 221145, 259605, 265374, 294860, 311526, 346140, 398061, 442290, 519210, 530748, 623052, 663435, 778815, 796122, 884580, 1038420, 1194183, 1326870, 1557630, 1592244, 1990305, 2388366, 2653740, 3115260, 3582549, 3980610, 4776732, 5970915, 7165098, 7961220, 11941830, 14330196, 17912745, 23883660, 35825490, 71650980]

約数ペア:

[(1, 71650980), (2, 35825490), (3, 23883660), (4, 17912745), (5, 14330196), (6, 11941830), (9, 7961220), (10, 7165098), (12, 5970915), (15, 4776732), (18, 3980610), (20, 3582549), (23, 3115260), (27, 2653740), (30, 2388366), (36, 1990305), (45, 1592244), (46, 1557630), (54, 1326870), (60, 1194183), (69, 1038420), (81, 884580), (90, 796122), (92, 778815), (108, 663435), (115, 623052), (135, 530748), (138, 519210), (162, 442290), (180, 398061), (207, 346140), (230, 311526), (243, 294860), (270, 265374), (276, 259605), (324, 221145), (345, 207684), (405, 176916), (414, 173070), (460, 155763), (486, 147430), (540, 132687), (621, 115380), (641, 111780), (690, 103842), (810, 88458), (828, 86535), (972, 73715), (1035, 69228), (1215, 58972), (1242, 57690), (1282, 55890), (1380, 51921), (1620, 44229), (1863, 38460), (1923, 37260), (2070, 34614), (2430, 29486), (2484, 28845), (2564, 27945), (3105, 23076), (3205, 22356), (3726, 19230), (3846, 18630), (4140, 17307), (4860, 14743), (5589, 12820), (5769, 12420), (6210, 11538), (6410, 11178), (7452, 9615), (7692, 9315)]