85879240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 225504000

約数和(自身を除く): 139624760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 85, 92, 95, 115, 136, 152, 170, 184, 190, 230, 289, 323, 340, 380, 391, 437, 460, 578, 646, 680, 760, 782, 874, 920, 1156, 1292, 1445, 1564, 1615, 1748, 1955, 2185, 2312, 2584, 2890, 3128, 3230, 3496, 3910, 4370, 4913, 5491, 5780, 6460, 6647, 7429, 7820, 8740, 9826, 10982, 11560, 12920, 13294, 14858, 15640, 17480, 19652, 21964, 24565, 26588, 27455, 29716, 33235, 37145, 39304, 43928, 49130, 53176, 54910, 59432, 66470, 74290, 93347, 98260, 109820, 112999, 126293, 132940, 148580, 186694, 196520, 219640, 225998, 252586, 265880, 297160, 373388, 451996, 466735, 505172, 564995, 631465, 746776, 903992, 933470, 1010344, 1129990, 1262930, 1866940, 2146981, 2259980, 2525860, 3733880, 4293962, 4519960, 5051720, 8587924, 10734905, 17175848, 21469810, 42939620, 85879240]

約数ペア:

[(1, 85879240), (2, 42939620), (4, 21469810), (5, 17175848), (8, 10734905), (10, 8587924), (17, 5051720), (19, 4519960), (20, 4293962), (23, 3733880), (34, 2525860), (38, 2259980), (40, 2146981), (46, 1866940), (68, 1262930), (76, 1129990), (85, 1010344), (92, 933470), (95, 903992), (115, 746776), (136, 631465), (152, 564995), (170, 505172), (184, 466735), (190, 451996), (230, 373388), (289, 297160), (323, 265880), (340, 252586), (380, 225998), (391, 219640), (437, 196520), (460, 186694), (578, 148580), (646, 132940), (680, 126293), (760, 112999), (782, 109820), (874, 98260), (920, 93347), (1156, 74290), (1292, 66470), (1445, 59432), (1564, 54910), (1615, 53176), (1748, 49130), (1955, 43928), (2185, 39304), (2312, 37145), (2584, 33235), (2890, 29716), (3128, 27455), (3230, 26588), (3496, 24565), (3910, 21964), (4370, 19652), (4913, 17480), (5491, 15640), (5780, 14858), (6460, 13294), (6647, 12920), (7429, 11560), (7820, 10982), (8740, 9826)]