321320250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 899458560

約数和(自身を除く): 578138310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 181, 225, 250, 263, 270, 362, 375, 450, 526, 543, 675, 750, 789, 905, 1086, 1125, 1315, 1350, 1578, 1629, 1810, 2250, 2367, 2630, 2715, 3258, 3375, 3945, 4525, 4734, 4887, 5430, 6575, 6750, 7101, 7890, 8145, 9050, 9774, 11835, 13150, 13575, 14202, 16290, 19725, 22625, 23670, 24435, 27150, 32875, 35505, 39450, 40725, 45250, 47603, 48870, 59175, 65750, 67875, 71010, 81450, 95206, 98625, 118350, 122175, 135750, 142809, 177525, 197250, 203625, 238015, 244350, 285618, 295875, 355050, 407250, 428427, 476030, 591750, 610875, 714045, 856854, 887625, 1190075, 1221750, 1285281, 1428090, 1775250, 2142135, 2380150, 2570562, 3570225, 4284270, 5950375, 6426405, 7140450, 10710675, 11900750, 12852810, 17851125, 21421350, 32132025, 35702250, 53553375, 64264050, 107106750, 160660125, 321320250]

約数ペア:

[(1, 321320250), (2, 160660125), (3, 107106750), (5, 64264050), (6, 53553375), (9, 35702250), (10, 32132025), (15, 21421350), (18, 17851125), (25, 12852810), (27, 11900750), (30, 10710675), (45, 7140450), (50, 6426405), (54, 5950375), (75, 4284270), (90, 3570225), (125, 2570562), (135, 2380150), (150, 2142135), (181, 1775250), (225, 1428090), (250, 1285281), (263, 1221750), (270, 1190075), (362, 887625), (375, 856854), (450, 714045), (526, 610875), (543, 591750), (675, 476030), (750, 428427), (789, 407250), (905, 355050), (1086, 295875), (1125, 285618), (1315, 244350), (1350, 238015), (1578, 203625), (1629, 197250), (1810, 177525), (2250, 142809), (2367, 135750), (2630, 122175), (2715, 118350), (3258, 98625), (3375, 95206), (3945, 81450), (4525, 71010), (4734, 67875), (4887, 65750), (5430, 59175), (6575, 48870), (6750, 47603), (7101, 45250), (7890, 40725), (8145, 39450), (9050, 35505), (9774, 32875), (11835, 27150), (13150, 24435), (13575, 23670), (14202, 22625), (16290, 19725)]