51275490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 150958080

約数和(自身を除く): 99682590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 71, 95, 105, 114, 133, 142, 181, 190, 210, 213, 266, 285, 355, 362, 399, 426, 497, 543, 570, 665, 710, 798, 905, 994, 1065, 1086, 1267, 1330, 1349, 1491, 1810, 1995, 2130, 2485, 2534, 2698, 2715, 2982, 3439, 3801, 3990, 4047, 4970, 5430, 6335, 6745, 6878, 7455, 7602, 8094, 9443, 10317, 12670, 12851, 13490, 14910, 17195, 18886, 19005, 20235, 20634, 24073, 25702, 28329, 34390, 38010, 38553, 40470, 47215, 48146, 51585, 56658, 64255, 72219, 77106, 89957, 94430, 103170, 120365, 128510, 141645, 144438, 179914, 192765, 240730, 244169, 269871, 283290, 361095, 385530, 449785, 488338, 539742, 722190, 732507, 899570, 1220845, 1349355, 1465014, 1709183, 2441690, 2698710, 3418366, 3662535, 5127549, 7325070, 8545915, 10255098, 17091830, 25637745, 51275490]

約数ペア:

[(1, 51275490), (2, 25637745), (3, 17091830), (5, 10255098), (6, 8545915), (7, 7325070), (10, 5127549), (14, 3662535), (15, 3418366), (19, 2698710), (21, 2441690), (30, 1709183), (35, 1465014), (38, 1349355), (42, 1220845), (57, 899570), (70, 732507), (71, 722190), (95, 539742), (105, 488338), (114, 449785), (133, 385530), (142, 361095), (181, 283290), (190, 269871), (210, 244169), (213, 240730), (266, 192765), (285, 179914), (355, 144438), (362, 141645), (399, 128510), (426, 120365), (497, 103170), (543, 94430), (570, 89957), (665, 77106), (710, 72219), (798, 64255), (905, 56658), (994, 51585), (1065, 48146), (1086, 47215), (1267, 40470), (1330, 38553), (1349, 38010), (1491, 34390), (1810, 28329), (1995, 25702), (2130, 24073), (2485, 20634), (2534, 20235), (2698, 19005), (2715, 18886), (2982, 17195), (3439, 14910), (3801, 13490), (3990, 12851), (4047, 12670), (4970, 10317), (5430, 9443), (6335, 8094), (6745, 7602), (6878, 7455)]