260046280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 128

約数和(自身を含む): 696729600

約数和(自身を除く): 436683320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 442, 460, 520, 598, 680, 782, 884, 920, 1105, 1196, 1279, 1495, 1564, 1768, 1955, 2210, 2392, 2558, 2990, 3128, 3910, 4420, 5083, 5116, 5980, 6395, 7820, 8840, 10166, 10232, 11960, 12790, 15640, 16627, 20332, 21743, 25415, 25580, 29417, 33254, 40664, 43486, 50830, 51160, 58834, 66508, 83135, 86972, 101660, 108715, 117668, 133016, 147085, 166270, 173944, 203320, 217430, 235336, 282659, 294170, 332540, 382421, 434860, 500089, 565318, 588340, 665080, 764842, 869720, 1000178, 1130636, 1176680, 1413295, 1529684, 1912105, 2000356, 2261272, 2500445, 2826590, 3059368, 3824210, 4000712, 5000890, 5653180, 6501157, 7648420, 10001780, 11306360, 13002314, 15296840, 20003560, 26004628, 32505785, 52009256, 65011570, 130023140, 260046280]

約数ペア:

[(1, 260046280), (2, 130023140), (4, 65011570), (5, 52009256), (8, 32505785), (10, 26004628), (13, 20003560), (17, 15296840), (20, 13002314), (23, 11306360), (26, 10001780), (34, 7648420), (40, 6501157), (46, 5653180), (52, 5000890), (65, 4000712), (68, 3824210), (85, 3059368), (92, 2826590), (104, 2500445), (115, 2261272), (130, 2000356), (136, 1912105), (170, 1529684), (184, 1413295), (221, 1176680), (230, 1130636), (260, 1000178), (299, 869720), (340, 764842), (391, 665080), (442, 588340), (460, 565318), (520, 500089), (598, 434860), (680, 382421), (782, 332540), (884, 294170), (920, 282659), (1105, 235336), (1196, 217430), (1279, 203320), (1495, 173944), (1564, 166270), (1768, 147085), (1955, 133016), (2210, 117668), (2392, 108715), (2558, 101660), (2990, 86972), (3128, 83135), (3910, 66508), (4420, 58834), (5083, 51160), (5116, 50830), (5980, 43486), (6395, 40664), (7820, 33254), (8840, 29417), (10166, 25580), (10232, 25415), (11960, 21743), (12790, 20332), (15640, 16627)]