258709880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 706406400

約数和(自身を除く): 447696520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1459, 1612, 1705, 2015, 2728, 2860, 2918, 3224, 3410, 4030, 4433, 5720, 5836, 6820, 7295, 8060, 8866, 11672, 13640, 14590, 16049, 16120, 17732, 18967, 22165, 29180, 32098, 35464, 37934, 44330, 45229, 58360, 64196, 75868, 80245, 88660, 90458, 94835, 128392, 151736, 160490, 177320, 180916, 189670, 208637, 226145, 320980, 361832, 379340, 417274, 452290, 497519, 587977, 641960, 758680, 834548, 904580, 995038, 1043185, 1175954, 1669096, 1809160, 1990076, 2086370, 2351908, 2487595, 2939885, 3980152, 4172740, 4703816, 4975190, 5879770, 6467747, 8345480, 9950380, 11759540, 12935494, 19900760, 23519080, 25870988, 32338735, 51741976, 64677470, 129354940, 258709880]

約数ペア:

[(1, 258709880), (2, 129354940), (4, 64677470), (5, 51741976), (8, 32338735), (10, 25870988), (11, 23519080), (13, 19900760), (20, 12935494), (22, 11759540), (26, 9950380), (31, 8345480), (40, 6467747), (44, 5879770), (52, 4975190), (55, 4703816), (62, 4172740), (65, 3980152), (88, 2939885), (104, 2487595), (110, 2351908), (124, 2086370), (130, 1990076), (143, 1809160), (155, 1669096), (220, 1175954), (248, 1043185), (260, 995038), (286, 904580), (310, 834548), (341, 758680), (403, 641960), (440, 587977), (520, 497519), (572, 452290), (620, 417274), (682, 379340), (715, 361832), (806, 320980), (1144, 226145), (1240, 208637), (1364, 189670), (1430, 180916), (1459, 177320), (1612, 160490), (1705, 151736), (2015, 128392), (2728, 94835), (2860, 90458), (2918, 88660), (3224, 80245), (3410, 75868), (4030, 64196), (4433, 58360), (5720, 45229), (5836, 44330), (6820, 37934), (7295, 35464), (8060, 32098), (8866, 29180), (11672, 22165), (13640, 18967), (14590, 17732), (16049, 16120)]