305620980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 1013268480

約数和(自身を除く): 707647500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 79, 84, 105, 122, 140, 151, 158, 183, 210, 237, 244, 302, 305, 316, 366, 395, 420, 427, 453, 474, 553, 604, 610, 732, 755, 790, 854, 906, 915, 948, 1057, 1106, 1185, 1220, 1281, 1510, 1580, 1659, 1708, 1812, 1830, 2114, 2135, 2212, 2265, 2370, 2562, 2765, 3020, 3171, 3318, 3660, 4228, 4270, 4530, 4740, 4819, 5124, 5285, 5530, 6342, 6405, 6636, 8295, 8540, 9060, 9211, 9638, 10570, 11060, 11929, 12684, 12810, 14457, 15855, 16590, 18422, 19276, 21140, 23858, 24095, 25620, 27633, 28914, 31710, 33180, 33733, 35787, 36844, 46055, 47716, 48190, 55266, 57828, 59645, 63420, 64477, 67466, 71574, 72285, 83503, 92110, 96380, 101199, 110532, 119290, 128954, 134932, 138165, 143148, 144570, 167006, 168665, 178935, 184220, 193431, 202398, 238580, 250509, 257908, 276330, 289140, 322385, 334012, 337330, 357870, 386862, 404796, 417515, 501018, 505995, 552660, 644770, 674660, 715740, 727669, 773724, 835030, 967155, 1002036, 1011990, 1252545, 1289540, 1455338, 1670060, 1934310, 2023980, 2183007, 2505090, 2910676, 3638345, 3868620, 4366014, 5010180, 5093683, 7276690, 8732028, 10187366, 10915035, 14553380, 15281049, 20374732, 21830070, 25468415, 30562098, 43660140, 50936830, 61124196, 76405245, 101873660, 152810490, 305620980]

約数ペア:

[(1, 305620980), (2, 152810490), (3, 101873660), (4, 76405245), (5, 61124196), (6, 50936830), (7, 43660140), (10, 30562098), (12, 25468415), (14, 21830070), (15, 20374732), (20, 15281049), (21, 14553380), (28, 10915035), (30, 10187366), (35, 8732028), (42, 7276690), (60, 5093683), (61, 5010180), (70, 4366014), (79, 3868620), (84, 3638345), (105, 2910676), (122, 2505090), (140, 2183007), (151, 2023980), (158, 1934310), (183, 1670060), (210, 1455338), (237, 1289540), (244, 1252545), (302, 1011990), (305, 1002036), (316, 967155), (366, 835030), (395, 773724), (420, 727669), (427, 715740), (453, 674660), (474, 644770), (553, 552660), (604, 505995), (610, 501018), (732, 417515), (755, 404796), (790, 386862), (854, 357870), (906, 337330), (915, 334012), (948, 322385), (1057, 289140), (1106, 276330), (1185, 257908), (1220, 250509), (1281, 238580), (1510, 202398), (1580, 193431), (1659, 184220), (1708, 178935), (1812, 168665), (1830, 167006), (2114, 144570), (2135, 143148), (2212, 138165), (2265, 134932), (2370, 128954), (2562, 119290), (2765, 110532), (3020, 101199), (3171, 96380), (3318, 92110), (3660, 83503), (4228, 72285), (4270, 71574), (4530, 67466), (4740, 64477), (4819, 63420), (5124, 59645), (5285, 57828), (5530, 55266), (6342, 48190), (6405, 47716), (6636, 46055), (8295, 36844), (8540, 35787), (9060, 33733), (9211, 33180), (9638, 31710), (10570, 28914), (11060, 27633), (11929, 25620), (12684, 24095), (12810, 23858), (14457, 21140), (15855, 19276), (16590, 18422)]