51269220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 168981120

約数和(自身を除く): 117711900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 263, 270, 285, 342, 361, 380, 513, 526, 540, 570, 684, 722, 789, 855, 1026, 1052, 1083, 1140, 1315, 1444, 1578, 1710, 1805, 2052, 2166, 2367, 2565, 2630, 3156, 3249, 3420, 3610, 3945, 4332, 4734, 4997, 5130, 5260, 5415, 6498, 7101, 7220, 7890, 9468, 9747, 9994, 10260, 10830, 11835, 12996, 14202, 14991, 15780, 16245, 19494, 19988, 21660, 23670, 24985, 28404, 29982, 32490, 35505, 38988, 44973, 47340, 48735, 49970, 59964, 64980, 71010, 74955, 89946, 94943, 97470, 99940, 134919, 142020, 149910, 179892, 189886, 194940, 224865, 269838, 284829, 299820, 379772, 449730, 474715, 539676, 569658, 674595, 854487, 899460, 949430, 1139316, 1349190, 1424145, 1708974, 1898860, 2563461, 2698380, 2848290, 3417948, 4272435, 5126922, 5696580, 8544870, 10253844, 12817305, 17089740, 25634610, 51269220]

約数ペア:

[(1, 51269220), (2, 25634610), (3, 17089740), (4, 12817305), (5, 10253844), (6, 8544870), (9, 5696580), (10, 5126922), (12, 4272435), (15, 3417948), (18, 2848290), (19, 2698380), (20, 2563461), (27, 1898860), (30, 1708974), (36, 1424145), (38, 1349190), (45, 1139316), (54, 949430), (57, 899460), (60, 854487), (76, 674595), (90, 569658), (95, 539676), (108, 474715), (114, 449730), (135, 379772), (171, 299820), (180, 284829), (190, 269838), (228, 224865), (263, 194940), (270, 189886), (285, 179892), (342, 149910), (361, 142020), (380, 134919), (513, 99940), (526, 97470), (540, 94943), (570, 89946), (684, 74955), (722, 71010), (789, 64980), (855, 59964), (1026, 49970), (1052, 48735), (1083, 47340), (1140, 44973), (1315, 38988), (1444, 35505), (1578, 32490), (1710, 29982), (1805, 28404), (2052, 24985), (2166, 23670), (2367, 21660), (2565, 19988), (2630, 19494), (3156, 16245), (3249, 15780), (3420, 14991), (3610, 14202), (3945, 12996), (4332, 11835), (4734, 10830), (4997, 10260), (5130, 9994), (5260, 9747), (5415, 9468), (6498, 7890), (7101, 7220)]