213117660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 216

約数和(自身を含む): 764605296

約数和(自身を除く): 551487636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 73, 84, 90, 98, 105, 126, 140, 146, 147, 180, 196, 210, 219, 245, 252, 292, 294, 315, 331, 365, 420, 438, 441, 490, 511, 588, 630, 657, 662, 730, 735, 876, 882, 980, 993, 1022, 1095, 1260, 1314, 1324, 1460, 1470, 1533, 1655, 1764, 1986, 2044, 2190, 2205, 2317, 2555, 2628, 2940, 2979, 3066, 3285, 3310, 3577, 3972, 4380, 4410, 4599, 4634, 4965, 5110, 5958, 6132, 6570, 6620, 6951, 7154, 7665, 8820, 9198, 9268, 9930, 10220, 10731, 11585, 11916, 13140, 13902, 14308, 14895, 15330, 16219, 17885, 18396, 19860, 20853, 21462, 22995, 23170, 24163, 27804, 29790, 30660, 32193, 32438, 34755, 35770, 41706, 42924, 45990, 46340, 48326, 48657, 53655, 59580, 64386, 64876, 69510, 71540, 72489, 81095, 83412, 91980, 96652, 97314, 104265, 107310, 120815, 128772, 139020, 144978, 145971, 160965, 162190, 169141, 194628, 208530, 214620, 217467, 241630, 243285, 289956, 291942, 321930, 324380, 338282, 362445, 417060, 434934, 483260, 486570, 507423, 583884, 643860, 676564, 724890, 729855, 845705, 869868, 973140, 1014846, 1087335, 1183987, 1449780, 1459710, 1522269, 1691410, 2029692, 2174670, 2367974, 2537115, 2919420, 3044538, 3382820, 3551961, 4349340, 4735948, 5074230, 5919935, 6089076, 7103922, 7611345, 10148460, 10655883, 11839870, 14207844, 15222690, 17759805, 21311766, 23679740, 30445380, 35519610, 42623532, 53279415, 71039220, 106558830, 213117660]

約数ペア:

[(1, 213117660), (2, 106558830), (3, 71039220), (4, 53279415), (5, 42623532), (6, 35519610), (7, 30445380), (9, 23679740), (10, 21311766), (12, 17759805), (14, 15222690), (15, 14207844), (18, 11839870), (20, 10655883), (21, 10148460), (28, 7611345), (30, 7103922), (35, 6089076), (36, 5919935), (42, 5074230), (45, 4735948), (49, 4349340), (60, 3551961), (63, 3382820), (70, 3044538), (73, 2919420), (84, 2537115), (90, 2367974), (98, 2174670), (105, 2029692), (126, 1691410), (140, 1522269), (146, 1459710), (147, 1449780), (180, 1183987), (196, 1087335), (210, 1014846), (219, 973140), (245, 869868), (252, 845705), (292, 729855), (294, 724890), (315, 676564), (331, 643860), (365, 583884), (420, 507423), (438, 486570), (441, 483260), (490, 434934), (511, 417060), (588, 362445), (630, 338282), (657, 324380), (662, 321930), (730, 291942), (735, 289956), (876, 243285), (882, 241630), (980, 217467), (993, 214620), (1022, 208530), (1095, 194628), (1260, 169141), (1314, 162190), (1324, 160965), (1460, 145971), (1470, 144978), (1533, 139020), (1655, 128772), (1764, 120815), (1986, 107310), (2044, 104265), (2190, 97314), (2205, 96652), (2317, 91980), (2555, 83412), (2628, 81095), (2940, 72489), (2979, 71540), (3066, 69510), (3285, 64876), (3310, 64386), (3577, 59580), (3972, 53655), (4380, 48657), (4410, 48326), (4599, 46340), (4634, 45990), (4965, 42924), (5110, 41706), (5958, 35770), (6132, 34755), (6570, 32438), (6620, 32193), (6951, 30660), (7154, 29790), (7665, 27804), (8820, 24163), (9198, 23170), (9268, 22995), (9930, 21462), (10220, 20853), (10731, 19860), (11585, 18396), (11916, 17885), (13140, 16219), (13902, 15330), (14308, 14895)]