15815280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 54621504

約数和(自身を除く): 38806224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 137, 148, 156, 185, 195, 208, 222, 240, 260, 274, 296, 312, 370, 390, 411, 444, 481, 520, 548, 555, 592, 624, 685, 740, 780, 822, 888, 962, 1040, 1096, 1110, 1370, 1443, 1480, 1560, 1644, 1776, 1781, 1924, 2055, 2192, 2220, 2405, 2740, 2886, 2960, 3120, 3288, 3562, 3848, 4110, 4440, 4810, 5069, 5343, 5480, 5772, 6576, 7124, 7215, 7696, 8220, 8880, 8905, 9620, 10138, 10686, 10960, 11544, 14248, 14430, 15207, 16440, 17810, 19240, 20276, 21372, 23088, 25345, 26715, 28496, 28860, 30414, 32880, 35620, 38480, 40552, 42744, 50690, 53430, 57720, 60828, 65897, 71240, 76035, 81104, 85488, 101380, 106860, 115440, 121656, 131794, 142480, 152070, 197691, 202760, 213720, 243312, 263588, 304140, 329485, 395382, 405520, 427440, 527176, 608280, 658970, 790764, 988455, 1054352, 1216560, 1317940, 1581528, 1976910, 2635880, 3163056, 3953820, 5271760, 7907640, 15815280]

約数ペア:

[(1, 15815280), (2, 7907640), (3, 5271760), (4, 3953820), (5, 3163056), (6, 2635880), (8, 1976910), (10, 1581528), (12, 1317940), (13, 1216560), (15, 1054352), (16, 988455), (20, 790764), (24, 658970), (26, 608280), (30, 527176), (37, 427440), (39, 405520), (40, 395382), (48, 329485), (52, 304140), (60, 263588), (65, 243312), (74, 213720), (78, 202760), (80, 197691), (104, 152070), (111, 142480), (120, 131794), (130, 121656), (137, 115440), (148, 106860), (156, 101380), (185, 85488), (195, 81104), (208, 76035), (222, 71240), (240, 65897), (260, 60828), (274, 57720), (296, 53430), (312, 50690), (370, 42744), (390, 40552), (411, 38480), (444, 35620), (481, 32880), (520, 30414), (548, 28860), (555, 28496), (592, 26715), (624, 25345), (685, 23088), (740, 21372), (780, 20276), (822, 19240), (888, 17810), (962, 16440), (1040, 15207), (1096, 14430), (1110, 14248), (1370, 11544), (1443, 10960), (1480, 10686), (1560, 10138), (1644, 9620), (1776, 8905), (1781, 8880), (1924, 8220), (2055, 7696), (2192, 7215), (2220, 7124), (2405, 6576), (2740, 5772), (2886, 5480), (2960, 5343), (3120, 5069), (3288, 4810), (3562, 4440), (3848, 4110)]