305886420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 216

約数和(自身を含む): 1095494400

約数和(自身を除く): 789607980

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, 395, 420, 439, 441, 474, 490, 553, 588, 630, 711, 735, 790, 878, 882, 948, 980, 1106, 1185, 1260, 1317, 1422, 1470, 1580, 1659, 1756, 1764, 2195, 2205, 2212, 2370, 2634, 2765, 2844, 2940, 3073, 3318, 3555, 3871, 3951, 4390, 4410, 4740, 4977, 5268, 5530, 6146, 6585, 6636, 7110, 7742, 7902, 8295, 8780, 8820, 9219, 9954, 11060, 11613, 12292, 13170, 14220, 15365, 15484, 15804, 16590, 18438, 19355, 19755, 19908, 21511, 23226, 24885, 26340, 27657, 30730, 33180, 34681, 34839, 36876, 38710, 39510, 43022, 46095, 46452, 49770, 55314, 58065, 61460, 64533, 69362, 69678, 77420, 79020, 86044, 92190, 99540, 104043, 107555, 110628, 116130, 129066, 138285, 138724, 139356, 173405, 174195, 184380, 193599, 208086, 215110, 232260, 242767, 258132, 276570, 312129, 322665, 346810, 348390, 387198, 416172, 430220, 485534, 520215, 553140, 624258, 645330, 693620, 696780, 728301, 774396, 967995, 971068, 1040430, 1213835, 1248516, 1290660, 1456602, 1560645, 1699369, 1935990, 2080860, 2184903, 2427670, 2913204, 3121290, 3398738, 3641505, 3871980, 4369806, 4855340, 5098107, 6242580, 6797476, 7283010, 8496845, 8739612, 10196214, 10924515, 14566020, 15294321, 16993690, 20392428, 21849030, 25490535, 30588642, 33987380, 43698060, 50981070, 61177284, 76471605, 101962140, 152943210, 305886420]

約数ペア:

[(1, 305886420), (2, 152943210), (3, 101962140), (4, 76471605), (5, 61177284), (6, 50981070), (7, 43698060), (9, 33987380), (10, 30588642), (12, 25490535), (14, 21849030), (15, 20392428), (18, 16993690), (20, 15294321), (21, 14566020), (28, 10924515), (30, 10196214), (35, 8739612), (36, 8496845), (42, 7283010), (45, 6797476), (49, 6242580), (60, 5098107), (63, 4855340), (70, 4369806), (79, 3871980), (84, 3641505), (90, 3398738), (98, 3121290), (105, 2913204), (126, 2427670), (140, 2184903), (147, 2080860), (158, 1935990), (180, 1699369), (196, 1560645), (210, 1456602), (237, 1290660), (245, 1248516), (252, 1213835), (294, 1040430), (315, 971068), (316, 967995), (395, 774396), (420, 728301), (439, 696780), (441, 693620), (474, 645330), (490, 624258), (553, 553140), (588, 520215), (630, 485534), (711, 430220), (735, 416172), (790, 387198), (878, 348390), (882, 346810), (948, 322665), (980, 312129), (1106, 276570), (1185, 258132), (1260, 242767), (1317, 232260), (1422, 215110), (1470, 208086), (1580, 193599), (1659, 184380), (1756, 174195), (1764, 173405), (2195, 139356), (2205, 138724), (2212, 138285), (2370, 129066), (2634, 116130), (2765, 110628), (2844, 107555), (2940, 104043), (3073, 99540), (3318, 92190), (3555, 86044), (3871, 79020), (3951, 77420), (4390, 69678), (4410, 69362), (4740, 64533), (4977, 61460), (5268, 58065), (5530, 55314), (6146, 49770), (6585, 46452), (6636, 46095), (7110, 43022), (7742, 39510), (7902, 38710), (8295, 36876), (8780, 34839), (8820, 34681), (9219, 33180), (9954, 30730), (11060, 27657), (11613, 26340), (12292, 24885), (13170, 23226), (14220, 21511), (15365, 19908), (15484, 19755), (15804, 19355), (16590, 18438)]