250620120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 192

約数和(自身を含む): 890922240

約数和(自身を除く): 640302120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1321, 1395, 1530, 1581, 1860, 2040, 2108, 2232, 2635, 2642, 2790, 3060, 3162, 3720, 3963, 4216, 4743, 5270, 5284, 5580, 6120, 6324, 6605, 7905, 7926, 9486, 10540, 10568, 11160, 11889, 12648, 13210, 15810, 15852, 18972, 19815, 21080, 22457, 23715, 23778, 26420, 31620, 31704, 37944, 39630, 40951, 44914, 47430, 47556, 52840, 59445, 63240, 67371, 79260, 81902, 89828, 94860, 95112, 112285, 118890, 122853, 134742, 158520, 163804, 179656, 189720, 202113, 204755, 224570, 237780, 245706, 269484, 327608, 336855, 368559, 404226, 409510, 449140, 475560, 491412, 538968, 614265, 673710, 696167, 737118, 808452, 819020, 898280, 982824, 1010565, 1228530, 1347420, 1392334, 1474236, 1616904, 1638040, 1842795, 2021130, 2088501, 2457060, 2694840, 2784668, 2948472, 3480835, 3685590, 4042260, 4177002, 4914120, 5569336, 6265503, 6961670, 7371180, 8084520, 8354004, 10442505, 12531006, 13923340, 14742360, 16708008, 20885010, 25062012, 27846680, 31327515, 41770020, 50124024, 62655030, 83540040, 125310060, 250620120]

約数ペア:

[(1, 250620120), (2, 125310060), (3, 83540040), (4, 62655030), (5, 50124024), (6, 41770020), (8, 31327515), (9, 27846680), (10, 25062012), (12, 20885010), (15, 16708008), (17, 14742360), (18, 13923340), (20, 12531006), (24, 10442505), (30, 8354004), (31, 8084520), (34, 7371180), (36, 6961670), (40, 6265503), (45, 5569336), (51, 4914120), (60, 4177002), (62, 4042260), (68, 3685590), (72, 3480835), (85, 2948472), (90, 2784668), (93, 2694840), (102, 2457060), (120, 2088501), (124, 2021130), (136, 1842795), (153, 1638040), (155, 1616904), (170, 1474236), (180, 1392334), (186, 1347420), (204, 1228530), (248, 1010565), (255, 982824), (279, 898280), (306, 819020), (310, 808452), (340, 737118), (360, 696167), (372, 673710), (408, 614265), (465, 538968), (510, 491412), (527, 475560), (558, 449140), (612, 409510), (620, 404226), (680, 368559), (744, 336855), (765, 327608), (930, 269484), (1020, 245706), (1054, 237780), (1116, 224570), (1224, 204755), (1240, 202113), (1321, 189720), (1395, 179656), (1530, 163804), (1581, 158520), (1860, 134742), (2040, 122853), (2108, 118890), (2232, 112285), (2635, 95112), (2642, 94860), (2790, 89828), (3060, 81902), (3162, 79260), (3720, 67371), (3963, 63240), (4216, 59445), (4743, 52840), (5270, 47556), (5284, 47430), (5580, 44914), (6120, 40951), (6324, 39630), (6605, 37944), (7905, 31704), (7926, 31620), (9486, 26420), (10540, 23778), (10568, 23715), (11160, 22457), (11889, 21080), (12648, 19815), (13210, 18972), (15810, 15852)]