245963340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:461

約数の個数: 216

約数和(自身を含む): 881375040

約数和(自身を除く): 635411700

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, 353, 395, 420, 441, 474, 490, 553, 588, 630, 706, 711, 735, 790, 882, 948, 980, 1059, 1106, 1185, 1260, 1412, 1422, 1470, 1580, 1659, 1764, 1765, 2118, 2205, 2212, 2370, 2471, 2765, 2844, 2940, 3177, 3318, 3530, 3555, 3871, 4236, 4410, 4740, 4942, 4977, 5295, 5530, 6354, 6636, 7060, 7110, 7413, 7742, 8295, 8820, 9884, 9954, 10590, 11060, 11613, 12355, 12708, 14220, 14826, 15484, 15885, 16590, 17297, 19355, 19908, 21180, 22239, 23226, 24710, 24885, 27887, 29652, 31770, 33180, 34594, 34839, 37065, 38710, 44478, 46452, 49420, 49770, 51891, 55774, 58065, 63540, 69188, 69678, 74130, 77420, 83661, 86485, 88956, 99540, 103782, 111195, 111548, 116130, 139356, 139435, 148260, 155673, 167322, 172970, 174195, 195209, 207564, 222390, 232260, 250983, 259455, 278870, 311346, 334644, 345940, 348390, 390418, 418305, 444780, 501966, 518910, 557740, 585627, 622692, 696780, 778365, 780836, 836610, 976045, 1003932, 1037820, 1171254, 1254915, 1366463, 1556730, 1673220, 1756881, 1952090, 2342508, 2509830, 2732926, 2928135, 3113460, 3513762, 3904180, 4099389, 5019660, 5465852, 5856270, 6832315, 7027524, 8198778, 8784405, 11712540, 12298167, 13664630, 16397556, 17568810, 20496945, 24596334, 27329260, 35137620, 40993890, 49192668, 61490835, 81987780, 122981670, 245963340]

約数ペア:

[(1, 245963340), (2, 122981670), (3, 81987780), (4, 61490835), (5, 49192668), (6, 40993890), (7, 35137620), (9, 27329260), (10, 24596334), (12, 20496945), (14, 17568810), (15, 16397556), (18, 13664630), (20, 12298167), (21, 11712540), (28, 8784405), (30, 8198778), (35, 7027524), (36, 6832315), (42, 5856270), (45, 5465852), (49, 5019660), (60, 4099389), (63, 3904180), (70, 3513762), (79, 3113460), (84, 2928135), (90, 2732926), (98, 2509830), (105, 2342508), (126, 1952090), (140, 1756881), (147, 1673220), (158, 1556730), (180, 1366463), (196, 1254915), (210, 1171254), (237, 1037820), (245, 1003932), (252, 976045), (294, 836610), (315, 780836), (316, 778365), (353, 696780), (395, 622692), (420, 585627), (441, 557740), (474, 518910), (490, 501966), (553, 444780), (588, 418305), (630, 390418), (706, 348390), (711, 345940), (735, 334644), (790, 311346), (882, 278870), (948, 259455), (980, 250983), (1059, 232260), (1106, 222390), (1185, 207564), (1260, 195209), (1412, 174195), (1422, 172970), (1470, 167322), (1580, 155673), (1659, 148260), (1764, 139435), (1765, 139356), (2118, 116130), (2205, 111548), (2212, 111195), (2370, 103782), (2471, 99540), (2765, 88956), (2844, 86485), (2940, 83661), (3177, 77420), (3318, 74130), (3530, 69678), (3555, 69188), (3871, 63540), (4236, 58065), (4410, 55774), (4740, 51891), (4942, 49770), (4977, 49420), (5295, 46452), (5530, 44478), (6354, 38710), (6636, 37065), (7060, 34839), (7110, 34594), (7413, 33180), (7742, 31770), (8295, 29652), (8820, 27887), (9884, 24885), (9954, 24710), (10590, 23226), (11060, 22239), (11613, 21180), (12355, 19908), (12708, 19355), (14220, 17297), (14826, 16590), (15484, 15885)]