28427490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 94867200

約数和(自身を除く): 66439710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 89, 90, 91, 105, 117, 126, 130, 135, 169, 178, 182, 189, 195, 210, 234, 267, 270, 273, 315, 338, 351, 378, 390, 445, 455, 507, 534, 546, 585, 623, 630, 702, 801, 819, 845, 890, 910, 945, 1014, 1157, 1170, 1183, 1246, 1335, 1365, 1521, 1602, 1638, 1690, 1755, 1869, 1890, 2314, 2366, 2403, 2457, 2535, 2670, 2730, 3042, 3115, 3471, 3510, 3549, 3738, 4005, 4095, 4563, 4806, 4914, 5070, 5607, 5785, 5915, 6230, 6942, 7098, 7605, 8010, 8099, 8190, 9126, 9345, 10413, 10647, 11214, 11570, 11830, 12015, 12285, 15041, 15210, 16198, 16821, 17355, 17745, 18690, 20826, 21294, 22815, 24030, 24297, 24570, 28035, 30082, 31239, 31941, 33642, 34710, 35490, 40495, 45123, 45630, 48594, 52065, 53235, 56070, 62478, 63882, 72891, 75205, 80990, 84105, 90246, 104130, 105287, 106470, 121485, 135369, 145782, 150410, 156195, 159705, 168210, 210574, 218673, 225615, 242970, 270738, 312390, 315861, 319410, 364455, 406107, 437346, 451230, 526435, 631722, 676845, 728910, 812214, 947583, 1052870, 1093365, 1353690, 1579305, 1895166, 2030535, 2186730, 2842749, 3158610, 4061070, 4737915, 5685498, 9475830, 14213745, 28427490]

約数ペア:

[(1, 28427490), (2, 14213745), (3, 9475830), (5, 5685498), (6, 4737915), (7, 4061070), (9, 3158610), (10, 2842749), (13, 2186730), (14, 2030535), (15, 1895166), (18, 1579305), (21, 1353690), (26, 1093365), (27, 1052870), (30, 947583), (35, 812214), (39, 728910), (42, 676845), (45, 631722), (54, 526435), (63, 451230), (65, 437346), (70, 406107), (78, 364455), (89, 319410), (90, 315861), (91, 312390), (105, 270738), (117, 242970), (126, 225615), (130, 218673), (135, 210574), (169, 168210), (178, 159705), (182, 156195), (189, 150410), (195, 145782), (210, 135369), (234, 121485), (267, 106470), (270, 105287), (273, 104130), (315, 90246), (338, 84105), (351, 80990), (378, 75205), (390, 72891), (445, 63882), (455, 62478), (507, 56070), (534, 53235), (546, 52065), (585, 48594), (623, 45630), (630, 45123), (702, 40495), (801, 35490), (819, 34710), (845, 33642), (890, 31941), (910, 31239), (945, 30082), (1014, 28035), (1157, 24570), (1170, 24297), (1183, 24030), (1246, 22815), (1335, 21294), (1365, 20826), (1521, 18690), (1602, 17745), (1638, 17355), (1690, 16821), (1755, 16198), (1869, 15210), (1890, 15041), (2314, 12285), (2366, 12015), (2403, 11830), (2457, 11570), (2535, 11214), (2670, 10647), (2730, 10413), (3042, 9345), (3115, 9126), (3471, 8190), (3510, 8099), (3549, 8010), (3738, 7605), (4005, 7098), (4095, 6942), (4563, 6230), (4806, 5915), (4914, 5785), (5070, 5607)]