220879260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 216

約数和(自身を含む): 791743680

約数和(自身を除く): 570864420

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, 79, 84, 90, 98, 105, 126, 140, 147, 158, 180, 196, 210, 237, 245, 252, 294, 315, 316, 317, 395, 420, 441, 474, 490, 553, 588, 630, 634, 711, 735, 790, 882, 948, 951, 980, 1106, 1185, 1260, 1268, 1422, 1470, 1580, 1585, 1659, 1764, 1902, 2205, 2212, 2219, 2370, 2765, 2844, 2853, 2940, 3170, 3318, 3555, 3804, 3871, 4410, 4438, 4740, 4755, 4977, 5530, 5706, 6340, 6636, 6657, 7110, 7742, 8295, 8820, 8876, 9510, 9954, 11060, 11095, 11412, 11613, 13314, 14220, 14265, 15484, 15533, 16590, 19020, 19355, 19908, 19971, 22190, 23226, 24885, 25043, 26628, 28530, 31066, 33180, 33285, 34839, 38710, 39942, 44380, 46452, 46599, 49770, 50086, 57060, 58065, 62132, 66570, 69678, 75129, 77420, 77665, 79884, 93198, 99540, 99855, 100172, 116130, 125215, 133140, 139356, 139797, 150258, 155330, 174195, 175301, 186396, 199710, 225387, 232260, 232995, 250430, 279594, 300516, 310660, 348390, 350602, 375645, 399420, 450774, 465990, 500860, 525903, 559188, 696780, 698985, 701204, 751290, 876505, 901548, 931980, 1051806, 1126935, 1227107, 1397970, 1502580, 1577709, 1753010, 2103612, 2253870, 2454214, 2629515, 2795940, 3155418, 3506020, 3681321, 4507740, 4908428, 5259030, 6135535, 6310836, 7362642, 7888545, 10518060, 11043963, 12271070, 14725284, 15777090, 18406605, 22087926, 24542140, 31554180, 36813210, 44175852, 55219815, 73626420, 110439630, 220879260]

約数ペア:

[(1, 220879260), (2, 110439630), (3, 73626420), (4, 55219815), (5, 44175852), (6, 36813210), (7, 31554180), (9, 24542140), (10, 22087926), (12, 18406605), (14, 15777090), (15, 14725284), (18, 12271070), (20, 11043963), (21, 10518060), (28, 7888545), (30, 7362642), (35, 6310836), (36, 6135535), (42, 5259030), (45, 4908428), (49, 4507740), (60, 3681321), (63, 3506020), (70, 3155418), (79, 2795940), (84, 2629515), (90, 2454214), (98, 2253870), (105, 2103612), (126, 1753010), (140, 1577709), (147, 1502580), (158, 1397970), (180, 1227107), (196, 1126935), (210, 1051806), (237, 931980), (245, 901548), (252, 876505), (294, 751290), (315, 701204), (316, 698985), (317, 696780), (395, 559188), (420, 525903), (441, 500860), (474, 465990), (490, 450774), (553, 399420), (588, 375645), (630, 350602), (634, 348390), (711, 310660), (735, 300516), (790, 279594), (882, 250430), (948, 232995), (951, 232260), (980, 225387), (1106, 199710), (1185, 186396), (1260, 175301), (1268, 174195), (1422, 155330), (1470, 150258), (1580, 139797), (1585, 139356), (1659, 133140), (1764, 125215), (1902, 116130), (2205, 100172), (2212, 99855), (2219, 99540), (2370, 93198), (2765, 79884), (2844, 77665), (2853, 77420), (2940, 75129), (3170, 69678), (3318, 66570), (3555, 62132), (3804, 58065), (3871, 57060), (4410, 50086), (4438, 49770), (4740, 46599), (4755, 46452), (4977, 44380), (5530, 39942), (5706, 38710), (6340, 34839), (6636, 33285), (6657, 33180), (7110, 31066), (7742, 28530), (8295, 26628), (8820, 25043), (8876, 24885), (9510, 23226), (9954, 22190), (11060, 19971), (11095, 19908), (11412, 19355), (11613, 19020), (13314, 16590), (14220, 15533), (14265, 15484)]