210646980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 671448960

約数和(自身を除く): 460801980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 243, 267, 270, 324, 356, 405, 445, 486, 487, 534, 540, 801, 810, 890, 972, 974, 1068, 1215, 1335, 1461, 1602, 1620, 1780, 1948, 2403, 2430, 2435, 2670, 2922, 3204, 4005, 4383, 4806, 4860, 4870, 5340, 5844, 7209, 7305, 8010, 8766, 9612, 9740, 12015, 13149, 14418, 14610, 16020, 17532, 21627, 21915, 24030, 26298, 28836, 29220, 36045, 39447, 43254, 43343, 43830, 48060, 52596, 65745, 72090, 78894, 86508, 86686, 87660, 108135, 118341, 130029, 131490, 144180, 157788, 173372, 197235, 216270, 216715, 236682, 260058, 262980, 390087, 394470, 432540, 433430, 473364, 520116, 591705, 650145, 780174, 788940, 866860, 1170261, 1183410, 1300290, 1560348, 1950435, 2340522, 2366820, 2600580, 3510783, 3900870, 4681044, 5851305, 7021566, 7801740, 10532349, 11702610, 14043132, 17553915, 21064698, 23405220, 35107830, 42129396, 52661745, 70215660, 105323490, 210646980]

約数ペア:

[(1, 210646980), (2, 105323490), (3, 70215660), (4, 52661745), (5, 42129396), (6, 35107830), (9, 23405220), (10, 21064698), (12, 17553915), (15, 14043132), (18, 11702610), (20, 10532349), (27, 7801740), (30, 7021566), (36, 5851305), (45, 4681044), (54, 3900870), (60, 3510783), (81, 2600580), (89, 2366820), (90, 2340522), (108, 1950435), (135, 1560348), (162, 1300290), (178, 1183410), (180, 1170261), (243, 866860), (267, 788940), (270, 780174), (324, 650145), (356, 591705), (405, 520116), (445, 473364), (486, 433430), (487, 432540), (534, 394470), (540, 390087), (801, 262980), (810, 260058), (890, 236682), (972, 216715), (974, 216270), (1068, 197235), (1215, 173372), (1335, 157788), (1461, 144180), (1602, 131490), (1620, 130029), (1780, 118341), (1948, 108135), (2403, 87660), (2430, 86686), (2435, 86508), (2670, 78894), (2922, 72090), (3204, 65745), (4005, 52596), (4383, 48060), (4806, 43830), (4860, 43343), (4870, 43254), (5340, 39447), (5844, 36045), (7209, 29220), (7305, 28836), (8010, 26298), (8766, 24030), (9612, 21915), (9740, 21627), (12015, 17532), (13149, 16020), (14418, 14610)]