31228470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 256

約数和(自身を含む): 108380160

約数和(自身を除く): 77151690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 41, 42, 45, 54, 62, 63, 65, 70, 78, 82, 90, 91, 93, 105, 117, 123, 126, 130, 135, 155, 182, 186, 189, 195, 205, 210, 217, 234, 246, 270, 273, 279, 287, 310, 315, 351, 369, 378, 390, 403, 410, 434, 455, 465, 533, 546, 558, 574, 585, 615, 630, 651, 702, 738, 806, 819, 837, 861, 910, 930, 945, 1066, 1085, 1107, 1170, 1209, 1230, 1271, 1302, 1365, 1395, 1435, 1599, 1638, 1674, 1722, 1755, 1845, 1890, 1953, 2015, 2170, 2214, 2418, 2457, 2542, 2583, 2665, 2730, 2790, 2821, 2870, 3198, 3255, 3510, 3627, 3690, 3731, 3813, 3906, 4030, 4095, 4185, 4305, 4797, 4914, 5166, 5330, 5535, 5642, 5859, 6045, 6355, 6510, 7254, 7462, 7626, 7749, 7995, 8190, 8370, 8463, 8610, 8897, 9594, 9765, 10881, 11070, 11193, 11439, 11718, 12090, 12285, 12710, 12915, 14105, 14391, 15498, 15990, 16523, 16926, 17794, 18135, 18655, 19065, 19530, 21762, 22386, 22878, 23985, 24570, 25389, 25830, 26691, 28210, 28782, 29295, 33046, 33579, 34317, 36270, 37310, 38130, 38745, 42315, 44485, 47970, 49569, 50778, 53382, 54405, 55965, 57195, 58590, 67158, 68634, 71955, 76167, 77490, 80073, 82615, 84630, 88970, 99138, 100737, 108810, 111930, 114390, 115661, 126945, 133455, 143910, 148707, 152334, 160146, 165230, 167895, 171585, 201474, 231322, 240219, 247845, 253890, 266910, 297414, 335790, 343170, 346983, 380835, 400365, 446121, 480438, 495690, 503685, 578305, 693966, 743535, 761670, 800730, 892242, 1007370, 1040949, 1156610, 1201095, 1487070, 1734915, 2081898, 2230605, 2402190, 3122847, 3469830, 4461210, 5204745, 6245694, 10409490, 15614235, 31228470]

約数ペア:

[(1, 31228470), (2, 15614235), (3, 10409490), (5, 6245694), (6, 5204745), (7, 4461210), (9, 3469830), (10, 3122847), (13, 2402190), (14, 2230605), (15, 2081898), (18, 1734915), (21, 1487070), (26, 1201095), (27, 1156610), (30, 1040949), (31, 1007370), (35, 892242), (39, 800730), (41, 761670), (42, 743535), (45, 693966), (54, 578305), (62, 503685), (63, 495690), (65, 480438), (70, 446121), (78, 400365), (82, 380835), (90, 346983), (91, 343170), (93, 335790), (105, 297414), (117, 266910), (123, 253890), (126, 247845), (130, 240219), (135, 231322), (155, 201474), (182, 171585), (186, 167895), (189, 165230), (195, 160146), (205, 152334), (210, 148707), (217, 143910), (234, 133455), (246, 126945), (270, 115661), (273, 114390), (279, 111930), (287, 108810), (310, 100737), (315, 99138), (351, 88970), (369, 84630), (378, 82615), (390, 80073), (403, 77490), (410, 76167), (434, 71955), (455, 68634), (465, 67158), (533, 58590), (546, 57195), (558, 55965), (574, 54405), (585, 53382), (615, 50778), (630, 49569), (651, 47970), (702, 44485), (738, 42315), (806, 38745), (819, 38130), (837, 37310), (861, 36270), (910, 34317), (930, 33579), (945, 33046), (1066, 29295), (1085, 28782), (1107, 28210), (1170, 26691), (1209, 25830), (1230, 25389), (1271, 24570), (1302, 23985), (1365, 22878), (1395, 22386), (1435, 21762), (1599, 19530), (1638, 19065), (1674, 18655), (1722, 18135), (1755, 17794), (1845, 16926), (1890, 16523), (1953, 15990), (2015, 15498), (2170, 14391), (2214, 14105), (2418, 12915), (2457, 12710), (2542, 12285), (2583, 12090), (2665, 11718), (2730, 11439), (2790, 11193), (2821, 11070), (2870, 10881), (3198, 9765), (3255, 9594), (3510, 8897), (3627, 8610), (3690, 8463), (3731, 8370), (3813, 8190), (3906, 7995), (4030, 7749), (4095, 7626), (4185, 7462), (4305, 7254), (4797, 6510), (4914, 6355), (5166, 6045), (5330, 5859), (5535, 5642)]