1851894120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8161}}^1$

素因数の和:8267

約数の個数: 128

約数和(自身を含む): 5829626880

約数和(自身を除く): 3977732760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1220, 1240, 1464, 1830, 1860, 1891, 2440, 3660, 3720, 3782, 5673, 7320, 7564, 8161, 9455, 11346, 15128, 16322, 18910, 22692, 24483, 28365, 32644, 37820, 40805, 45384, 48966, 56730, 65288, 75640, 81610, 97932, 113460, 122415, 163220, 195864, 226920, 244830, 252991, 326440, 489660, 497821, 505982, 758973, 979320, 995642, 1011964, 1264955, 1493463, 1517946, 1991284, 2023928, 2489105, 2529910, 2986926, 3035892, 3794865, 3982568, 4978210, 5059820, 5973852, 6071784, 7467315, 7589730, 9956420, 10119640, 11947704, 14934630, 15179460, 15432451, 19912840, 29869260, 30358920, 30864902, 46297353, 59738520, 61729804, 77162255, 92594706, 123459608, 154324510, 185189412, 231486765, 308649020, 370378824, 462973530, 617298040, 925947060, 1851894120]

約数ペア:

[(1, 1851894120), (2, 925947060), (3, 617298040), (4, 462973530), (5, 370378824), (6, 308649020), (8, 231486765), (10, 185189412), (12, 154324510), (15, 123459608), (20, 92594706), (24, 77162255), (30, 61729804), (31, 59738520), (40, 46297353), (60, 30864902), (61, 30358920), (62, 29869260), (93, 19912840), (120, 15432451), (122, 15179460), (124, 14934630), (155, 11947704), (183, 10119640), (186, 9956420), (244, 7589730), (248, 7467315), (305, 6071784), (310, 5973852), (366, 5059820), (372, 4978210), (465, 3982568), (488, 3794865), (610, 3035892), (620, 2986926), (732, 2529910), (744, 2489105), (915, 2023928), (930, 1991284), (1220, 1517946), (1240, 1493463), (1464, 1264955), (1830, 1011964), (1860, 995642), (1891, 979320), (2440, 758973), (3660, 505982), (3720, 497821), (3782, 489660), (5673, 326440), (7320, 252991), (7564, 244830), (8161, 226920), (9455, 195864), (11346, 163220), (15128, 122415), (16322, 113460), (18910, 97932), (22692, 81610), (24483, 75640), (28365, 65288), (32644, 56730), (37820, 48966), (40805, 45384)]