218637420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 671956992

約数和(自身を除く): 453319572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 47, 60, 61, 62, 82, 93, 94, 122, 123, 124, 141, 155, 164, 183, 186, 188, 205, 235, 244, 246, 282, 305, 310, 366, 372, 410, 465, 470, 492, 564, 610, 615, 620, 705, 732, 820, 915, 930, 940, 1220, 1230, 1271, 1410, 1457, 1830, 1860, 1891, 1927, 2460, 2501, 2542, 2820, 2867, 2914, 3660, 3782, 3813, 3854, 4371, 5002, 5084, 5673, 5734, 5781, 5828, 6355, 7285, 7503, 7564, 7626, 7708, 8601, 8742, 9455, 9635, 10004, 11346, 11468, 11562, 12505, 12710, 14335, 14570, 15006, 15252, 17202, 17484, 18910, 19065, 19270, 21855, 22692, 23124, 25010, 25420, 28365, 28670, 28905, 29140, 30012, 34404, 37515, 37820, 38130, 38540, 43005, 43710, 50020, 56730, 57340, 57810, 59737, 75030, 76260, 77531, 86010, 87420, 88877, 113460, 115620, 117547, 119474, 150060, 155062, 172020, 177754, 179211, 232593, 235094, 238948, 266631, 298685, 310124, 352641, 355508, 358422, 387655, 444385, 465186, 470188, 533262, 587735, 597370, 705282, 716844, 775310, 888770, 896055, 930372, 1066524, 1162965, 1175470, 1194740, 1333155, 1410564, 1550620, 1763205, 1777540, 1792110, 2325930, 2350940, 2666310, 3526410, 3584220, 3643957, 4651860, 5332620, 7052820, 7287914, 10931871, 14575828, 18219785, 21863742, 36439570, 43727484, 54659355, 72879140, 109318710, 218637420]

約数ペア:

[(1, 218637420), (2, 109318710), (3, 72879140), (4, 54659355), (5, 43727484), (6, 36439570), (10, 21863742), (12, 18219785), (15, 14575828), (20, 10931871), (30, 7287914), (31, 7052820), (41, 5332620), (47, 4651860), (60, 3643957), (61, 3584220), (62, 3526410), (82, 2666310), (93, 2350940), (94, 2325930), (122, 1792110), (123, 1777540), (124, 1763205), (141, 1550620), (155, 1410564), (164, 1333155), (183, 1194740), (186, 1175470), (188, 1162965), (205, 1066524), (235, 930372), (244, 896055), (246, 888770), (282, 775310), (305, 716844), (310, 705282), (366, 597370), (372, 587735), (410, 533262), (465, 470188), (470, 465186), (492, 444385), (564, 387655), (610, 358422), (615, 355508), (620, 352641), (705, 310124), (732, 298685), (820, 266631), (915, 238948), (930, 235094), (940, 232593), (1220, 179211), (1230, 177754), (1271, 172020), (1410, 155062), (1457, 150060), (1830, 119474), (1860, 117547), (1891, 115620), (1927, 113460), (2460, 88877), (2501, 87420), (2542, 86010), (2820, 77531), (2867, 76260), (2914, 75030), (3660, 59737), (3782, 57810), (3813, 57340), (3854, 56730), (4371, 50020), (5002, 43710), (5084, 43005), (5673, 38540), (5734, 38130), (5781, 37820), (5828, 37515), (6355, 34404), (7285, 30012), (7503, 29140), (7564, 28905), (7626, 28670), (7708, 28365), (8601, 25420), (8742, 25010), (9455, 23124), (9635, 22692), (10004, 21855), (11346, 19270), (11468, 19065), (11562, 18910), (12505, 17484), (12710, 17202), (14335, 15252), (14570, 15006)]