205738260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:815

約数の個数: 192

約数和(自身を含む): 724416000

約数和(自身を除く): 518677740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 769, 780, 910, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1538, 1715, 1820, 1911, 2058, 2307, 2548, 2730, 2940, 3076, 3185, 3430, 3822, 3845, 4116, 4459, 4614, 5145, 5383, 5460, 6370, 6860, 7644, 7690, 8918, 9228, 9555, 9997, 10290, 10766, 11535, 12740, 13377, 15380, 16149, 17836, 19110, 19994, 20580, 21532, 22295, 23070, 26754, 26915, 29991, 32298, 37681, 38220, 39988, 44590, 46140, 49985, 53508, 53830, 59982, 64596, 66885, 69979, 75362, 80745, 89180, 99970, 107660, 113043, 119964, 133770, 139958, 149955, 150724, 161490, 188405, 199940, 209937, 226086, 263767, 267540, 279916, 299910, 322980, 349895, 376810, 419874, 452172, 489853, 527534, 565215, 599820, 699790, 753620, 791301, 839748, 979706, 1049685, 1055068, 1130430, 1318835, 1399580, 1469559, 1582602, 1959412, 2099370, 2260860, 2449265, 2637670, 2939118, 3165204, 3428971, 3956505, 4198740, 4898530, 5275340, 5878236, 6857942, 7347795, 7913010, 9797060, 10286913, 13715884, 14695590, 15826020, 17144855, 20573826, 29391180, 34289710, 41147652, 51434565, 68579420, 102869130, 205738260]

約数ペア:

[(1, 205738260), (2, 102869130), (3, 68579420), (4, 51434565), (5, 41147652), (6, 34289710), (7, 29391180), (10, 20573826), (12, 17144855), (13, 15826020), (14, 14695590), (15, 13715884), (20, 10286913), (21, 9797060), (26, 7913010), (28, 7347795), (30, 6857942), (35, 5878236), (39, 5275340), (42, 4898530), (49, 4198740), (52, 3956505), (60, 3428971), (65, 3165204), (70, 2939118), (78, 2637670), (84, 2449265), (91, 2260860), (98, 2099370), (105, 1959412), (130, 1582602), (140, 1469559), (147, 1399580), (156, 1318835), (182, 1130430), (195, 1055068), (196, 1049685), (210, 979706), (245, 839748), (260, 791301), (273, 753620), (294, 699790), (343, 599820), (364, 565215), (390, 527534), (420, 489853), (455, 452172), (490, 419874), (546, 376810), (588, 349895), (637, 322980), (686, 299910), (735, 279916), (769, 267540), (780, 263767), (910, 226086), (980, 209937), (1029, 199940), (1092, 188405), (1274, 161490), (1365, 150724), (1372, 149955), (1470, 139958), (1538, 133770), (1715, 119964), (1820, 113043), (1911, 107660), (2058, 99970), (2307, 89180), (2548, 80745), (2730, 75362), (2940, 69979), (3076, 66885), (3185, 64596), (3430, 59982), (3822, 53830), (3845, 53508), (4116, 49985), (4459, 46140), (4614, 44590), (5145, 39988), (5383, 38220), (5460, 37681), (6370, 32298), (6860, 29991), (7644, 26915), (7690, 26754), (8918, 23070), (9228, 22295), (9555, 21532), (9997, 20580), (10290, 19994), (10766, 19110), (11535, 17836), (12740, 16149), (13377, 15380)]