28045710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 99532800

約数和(自身を除く): 71487090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 27, 30, 33, 35, 38, 42, 45, 54, 55, 57, 63, 66, 70, 71, 77, 90, 95, 99, 105, 110, 114, 126, 133, 135, 142, 154, 165, 171, 189, 190, 198, 209, 210, 213, 231, 266, 270, 285, 297, 315, 330, 342, 355, 378, 385, 399, 418, 426, 462, 495, 497, 513, 570, 594, 627, 630, 639, 665, 693, 710, 770, 781, 798, 855, 945, 990, 994, 1026, 1045, 1065, 1155, 1197, 1254, 1278, 1330, 1349, 1386, 1463, 1485, 1491, 1562, 1710, 1881, 1890, 1917, 1995, 2079, 2090, 2130, 2310, 2343, 2394, 2485, 2565, 2698, 2926, 2970, 2982, 3135, 3195, 3465, 3591, 3762, 3834, 3905, 3990, 4047, 4158, 4389, 4473, 4686, 4970, 5130, 5467, 5643, 5985, 6270, 6390, 6745, 6930, 7029, 7182, 7315, 7455, 7810, 8094, 8778, 8946, 9405, 9443, 9585, 10395, 10934, 11286, 11715, 11970, 12141, 13167, 13419, 13490, 14058, 14630, 14839, 14910, 16401, 17955, 18810, 18886, 19170, 20235, 20790, 21087, 21945, 22365, 23430, 24282, 26334, 26838, 27335, 28215, 28329, 29678, 32802, 35145, 35910, 36423, 39501, 40470, 42174, 43890, 44517, 44730, 47215, 49203, 54670, 56430, 56658, 60705, 65835, 67095, 70290, 72846, 74195, 79002, 82005, 84987, 89034, 94430, 98406, 103873, 105435, 121410, 131670, 133551, 134190, 141645, 147609, 148390, 164010, 169974, 182115, 197505, 207746, 210870, 222585, 246015, 254961, 267102, 283290, 295218, 311619, 364230, 395010, 400653, 424935, 445170, 492030, 509922, 519365, 623238, 667755, 738045, 801306, 849870, 934857, 1038730, 1274805, 1335510, 1476090, 1558095, 1869714, 2003265, 2549610, 2804571, 3116190, 4006530, 4674285, 5609142, 9348570, 14022855, 28045710]

約数ペア:

[(1, 28045710), (2, 14022855), (3, 9348570), (5, 5609142), (6, 4674285), (7, 4006530), (9, 3116190), (10, 2804571), (11, 2549610), (14, 2003265), (15, 1869714), (18, 1558095), (19, 1476090), (21, 1335510), (22, 1274805), (27, 1038730), (30, 934857), (33, 849870), (35, 801306), (38, 738045), (42, 667755), (45, 623238), (54, 519365), (55, 509922), (57, 492030), (63, 445170), (66, 424935), (70, 400653), (71, 395010), (77, 364230), (90, 311619), (95, 295218), (99, 283290), (105, 267102), (110, 254961), (114, 246015), (126, 222585), (133, 210870), (135, 207746), (142, 197505), (154, 182115), (165, 169974), (171, 164010), (189, 148390), (190, 147609), (198, 141645), (209, 134190), (210, 133551), (213, 131670), (231, 121410), (266, 105435), (270, 103873), (285, 98406), (297, 94430), (315, 89034), (330, 84987), (342, 82005), (355, 79002), (378, 74195), (385, 72846), (399, 70290), (418, 67095), (426, 65835), (462, 60705), (495, 56658), (497, 56430), (513, 54670), (570, 49203), (594, 47215), (627, 44730), (630, 44517), (639, 43890), (665, 42174), (693, 40470), (710, 39501), (770, 36423), (781, 35910), (798, 35145), (855, 32802), (945, 29678), (990, 28329), (994, 28215), (1026, 27335), (1045, 26838), (1065, 26334), (1155, 24282), (1197, 23430), (1254, 22365), (1278, 21945), (1330, 21087), (1349, 20790), (1386, 20235), (1463, 19170), (1485, 18886), (1491, 18810), (1562, 17955), (1710, 16401), (1881, 14910), (1890, 14839), (1917, 14630), (1995, 14058), (2079, 13490), (2090, 13419), (2130, 13167), (2310, 12141), (2343, 11970), (2394, 11715), (2485, 11286), (2565, 10934), (2698, 10395), (2926, 9585), (2970, 9443), (2982, 9405), (3135, 8946), (3195, 8778), (3465, 8094), (3591, 7810), (3762, 7455), (3834, 7315), (3905, 7182), (3990, 7029), (4047, 6930), (4158, 6745), (4389, 6390), (4473, 6270), (4686, 5985), (4970, 5643), (5130, 5467)]