213781620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 671448960

約数和(自身を除く): 457667340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 290, 338, 348, 377, 390, 435, 507, 580, 676, 727, 754, 780, 845, 870, 1014, 1131, 1454, 1508, 1690, 1740, 1885, 2028, 2181, 2262, 2535, 2908, 3380, 3635, 3770, 4362, 4524, 4901, 5070, 5655, 7270, 7540, 8724, 9451, 9802, 10140, 10905, 11310, 14540, 14703, 18902, 19604, 21083, 21810, 22620, 24505, 28353, 29406, 37804, 42166, 43620, 47255, 49010, 56706, 58812, 63249, 73515, 84332, 94510, 98020, 105415, 113412, 122863, 126498, 141765, 147030, 189020, 210830, 245726, 252996, 274079, 283530, 294060, 316245, 368589, 421660, 491452, 548158, 567060, 614315, 632490, 737178, 822237, 1096316, 1228630, 1264980, 1370395, 1474356, 1644474, 1842945, 2457260, 2740790, 3288948, 3563027, 3685890, 4111185, 5481580, 7126054, 7371780, 8222370, 10689081, 14252108, 16444740, 17815135, 21378162, 35630270, 42756324, 53445405, 71260540, 106890810, 213781620]

約数ペア:

[(1, 213781620), (2, 106890810), (3, 71260540), (4, 53445405), (5, 42756324), (6, 35630270), (10, 21378162), (12, 17815135), (13, 16444740), (15, 14252108), (20, 10689081), (26, 8222370), (29, 7371780), (30, 7126054), (39, 5481580), (52, 4111185), (58, 3685890), (60, 3563027), (65, 3288948), (78, 2740790), (87, 2457260), (116, 1842945), (130, 1644474), (145, 1474356), (156, 1370395), (169, 1264980), (174, 1228630), (195, 1096316), (260, 822237), (290, 737178), (338, 632490), (348, 614315), (377, 567060), (390, 548158), (435, 491452), (507, 421660), (580, 368589), (676, 316245), (727, 294060), (754, 283530), (780, 274079), (845, 252996), (870, 245726), (1014, 210830), (1131, 189020), (1454, 147030), (1508, 141765), (1690, 126498), (1740, 122863), (1885, 113412), (2028, 105415), (2181, 98020), (2262, 94510), (2535, 84332), (2908, 73515), (3380, 63249), (3635, 58812), (3770, 56706), (4362, 49010), (4524, 47255), (4901, 43620), (5070, 42166), (5655, 37804), (7270, 29406), (7540, 28353), (8724, 24505), (9451, 22620), (9802, 21810), (10140, 21083), (10905, 19604), (11310, 18902), (14540, 14703)]