420388680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:4003

約数の個数: 128

約数和(自身を含む): 1356134400

約数和(自身を除く): 935745720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 282, 285, 376, 380, 456, 470, 564, 570, 705, 760, 893, 940, 1128, 1140, 1410, 1786, 1880, 2280, 2679, 2820, 3572, 3923, 4465, 5358, 5640, 7144, 7846, 8930, 10716, 11769, 13395, 15692, 17860, 19615, 21432, 23538, 26790, 31384, 35720, 39230, 47076, 53580, 58845, 74537, 78460, 94152, 107160, 117690, 149074, 156920, 184381, 223611, 235380, 298148, 368762, 372685, 447222, 470760, 553143, 596296, 737524, 745370, 894444, 921905, 1106286, 1118055, 1475048, 1490740, 1788888, 1843810, 2212572, 2236110, 2765715, 2981480, 3503239, 3687620, 4425144, 4472220, 5531430, 7006478, 7375240, 8944440, 10509717, 11062860, 14012956, 17516195, 21019434, 22125720, 28025912, 35032390, 42038868, 52548585, 70064780, 84077736, 105097170, 140129560, 210194340, 420388680]

約数ペア:

[(1, 420388680), (2, 210194340), (3, 140129560), (4, 105097170), (5, 84077736), (6, 70064780), (8, 52548585), (10, 42038868), (12, 35032390), (15, 28025912), (19, 22125720), (20, 21019434), (24, 17516195), (30, 14012956), (38, 11062860), (40, 10509717), (47, 8944440), (57, 7375240), (60, 7006478), (76, 5531430), (94, 4472220), (95, 4425144), (114, 3687620), (120, 3503239), (141, 2981480), (152, 2765715), (188, 2236110), (190, 2212572), (228, 1843810), (235, 1788888), (282, 1490740), (285, 1475048), (376, 1118055), (380, 1106286), (456, 921905), (470, 894444), (564, 745370), (570, 737524), (705, 596296), (760, 553143), (893, 470760), (940, 447222), (1128, 372685), (1140, 368762), (1410, 298148), (1786, 235380), (1880, 223611), (2280, 184381), (2679, 156920), (2820, 149074), (3572, 117690), (3923, 107160), (4465, 94152), (5358, 78460), (5640, 74537), (7144, 58845), (7846, 53580), (8930, 47076), (10716, 39230), (11769, 35720), (13395, 31384), (15692, 26790), (17860, 23538), (19615, 21432)]