291248720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:953

約数の個数: 160

約数和(自身を含む): 841850880

約数和(自身を除く): 550602160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 883, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 1766, 2128, 2170, 2356, 2480, 2660, 2945, 3472, 3532, 4123, 4340, 4415, 4712, 5320, 5890, 6181, 7064, 8246, 8680, 8830, 9424, 10640, 11780, 12362, 14128, 16492, 16777, 17360, 17660, 20615, 23560, 24724, 27373, 30905, 32984, 33554, 35320, 41230, 47120, 49448, 54746, 61810, 65968, 67108, 70640, 82460, 83885, 98896, 109492, 117439, 123620, 134216, 136865, 164920, 167770, 191611, 218984, 234878, 247240, 268432, 273730, 329840, 335540, 383222, 437968, 469756, 494480, 520087, 547460, 587195, 671080, 766444, 939512, 958055, 1040174, 1094920, 1174390, 1342160, 1532888, 1879024, 1916110, 2080348, 2189840, 2348780, 2600435, 3065776, 3640609, 3832220, 4160696, 4697560, 5200870, 7281218, 7664440, 8321392, 9395120, 10401740, 14562436, 15328880, 18203045, 20803480, 29124872, 36406090, 41606960, 58249744, 72812180, 145624360, 291248720]

約数ペア:

[(1, 291248720), (2, 145624360), (4, 72812180), (5, 58249744), (7, 41606960), (8, 36406090), (10, 29124872), (14, 20803480), (16, 18203045), (19, 15328880), (20, 14562436), (28, 10401740), (31, 9395120), (35, 8321392), (38, 7664440), (40, 7281218), (56, 5200870), (62, 4697560), (70, 4160696), (76, 3832220), (80, 3640609), (95, 3065776), (112, 2600435), (124, 2348780), (133, 2189840), (140, 2080348), (152, 1916110), (155, 1879024), (190, 1532888), (217, 1342160), (248, 1174390), (266, 1094920), (280, 1040174), (304, 958055), (310, 939512), (380, 766444), (434, 671080), (496, 587195), (532, 547460), (560, 520087), (589, 494480), (620, 469756), (665, 437968), (760, 383222), (868, 335540), (883, 329840), (1064, 273730), (1085, 268432), (1178, 247240), (1240, 234878), (1330, 218984), (1520, 191611), (1736, 167770), (1766, 164920), (2128, 136865), (2170, 134216), (2356, 123620), (2480, 117439), (2660, 109492), (2945, 98896), (3472, 83885), (3532, 82460), (4123, 70640), (4340, 67108), (4415, 65968), (4712, 61810), (5320, 54746), (5890, 49448), (6181, 47120), (7064, 41230), (8246, 35320), (8680, 33554), (8830, 32984), (9424, 30905), (10640, 27373), (11780, 24724), (12362, 23560), (14128, 20615), (16492, 17660), (16777, 17360)]