404767620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 216

約数和(自身を含む): 1351703808

約数和(自身を除く): 946936188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 251, 255, 279, 289, 306, 310, 340, 372, 465, 502, 510, 527, 558, 578, 612, 620, 753, 765, 867, 930, 1004, 1020, 1054, 1116, 1156, 1255, 1395, 1445, 1506, 1530, 1581, 1734, 1860, 2108, 2259, 2510, 2601, 2635, 2790, 2890, 3012, 3060, 3162, 3468, 3765, 4267, 4335, 4518, 4743, 5020, 5202, 5270, 5580, 5780, 6324, 7530, 7781, 7905, 8534, 8670, 8959, 9036, 9486, 10404, 10540, 11295, 12801, 13005, 15060, 15562, 15810, 17068, 17340, 17918, 18972, 21335, 22590, 23343, 23715, 25602, 26010, 26877, 31124, 31620, 35836, 38403, 38905, 42670, 44795, 45180, 46686, 47430, 51204, 52020, 53754, 64005, 70029, 72539, 76806, 77810, 80631, 85340, 89590, 93372, 94860, 107508, 116715, 128010, 132277, 134385, 140058, 145078, 153612, 155620, 161262, 179180, 192015, 217617, 233430, 256020, 264554, 268770, 280116, 290156, 322524, 350145, 362695, 384030, 396831, 403155, 435234, 466860, 529108, 537540, 652851, 661385, 700290, 725390, 768060, 793662, 806310, 870468, 1088085, 1190493, 1305702, 1322770, 1400580, 1450780, 1587324, 1612620, 1984155, 2176170, 2248709, 2380986, 2611404, 2645540, 3264255, 3968310, 4352340, 4497418, 4761972, 5952465, 6528510, 6746127, 7936620, 8994836, 11243545, 11904930, 13057020, 13492254, 20238381, 22487090, 23809860, 26984508, 33730635, 40476762, 44974180, 67461270, 80953524, 101191905, 134922540, 202383810, 404767620]

約数ペア:

[(1, 404767620), (2, 202383810), (3, 134922540), (4, 101191905), (5, 80953524), (6, 67461270), (9, 44974180), (10, 40476762), (12, 33730635), (15, 26984508), (17, 23809860), (18, 22487090), (20, 20238381), (30, 13492254), (31, 13057020), (34, 11904930), (36, 11243545), (45, 8994836), (51, 7936620), (60, 6746127), (62, 6528510), (68, 5952465), (85, 4761972), (90, 4497418), (93, 4352340), (102, 3968310), (124, 3264255), (153, 2645540), (155, 2611404), (170, 2380986), (180, 2248709), (186, 2176170), (204, 1984155), (251, 1612620), (255, 1587324), (279, 1450780), (289, 1400580), (306, 1322770), (310, 1305702), (340, 1190493), (372, 1088085), (465, 870468), (502, 806310), (510, 793662), (527, 768060), (558, 725390), (578, 700290), (612, 661385), (620, 652851), (753, 537540), (765, 529108), (867, 466860), (930, 435234), (1004, 403155), (1020, 396831), (1054, 384030), (1116, 362695), (1156, 350145), (1255, 322524), (1395, 290156), (1445, 280116), (1506, 268770), (1530, 264554), (1581, 256020), (1734, 233430), (1860, 217617), (2108, 192015), (2259, 179180), (2510, 161262), (2601, 155620), (2635, 153612), (2790, 145078), (2890, 140058), (3012, 134385), (3060, 132277), (3162, 128010), (3468, 116715), (3765, 107508), (4267, 94860), (4335, 93372), (4518, 89590), (4743, 85340), (5020, 80631), (5202, 77810), (5270, 76806), (5580, 72539), (5780, 70029), (6324, 64005), (7530, 53754), (7781, 52020), (7905, 51204), (8534, 47430), (8670, 46686), (8959, 45180), (9036, 44795), (9486, 42670), (10404, 38905), (10540, 38403), (11295, 35836), (12801, 31620), (13005, 31124), (15060, 26877), (15562, 26010), (15810, 25602), (17068, 23715), (17340, 23343), (17918, 22590), (18972, 21335)]