1330787120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 3372212736

約数和(自身を除く): 2041425616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 257, 260, 338, 383, 514, 520, 676, 766, 845, 1028, 1040, 1285, 1352, 1532, 1690, 1915, 2056, 2570, 2704, 3064, 3341, 3380, 3830, 4112, 4979, 5140, 6128, 6682, 6760, 7660, 9958, 10280, 13364, 13520, 15320, 16705, 19916, 20560, 24895, 26728, 30640, 33410, 39832, 43433, 49790, 53456, 64727, 66820, 79664, 86866, 98431, 99580, 129454, 133640, 173732, 196862, 199160, 217165, 258908, 267280, 323635, 347464, 393724, 398320, 434330, 492155, 517816, 647270, 694928, 787448, 868660, 984310, 1035632, 1279603, 1294540, 1574896, 1737320, 1968620, 2559206, 2589080, 3474640, 3937240, 5118412, 5178160, 6398015, 7874480, 10236824, 12796030, 16634839, 20473648, 25592060, 33269678, 51184120, 66539356, 83174195, 102368240, 133078712, 166348390, 266157424, 332696780, 665393560, 1330787120]

約数ペア:

[(1, 1330787120), (2, 665393560), (4, 332696780), (5, 266157424), (8, 166348390), (10, 133078712), (13, 102368240), (16, 83174195), (20, 66539356), (26, 51184120), (40, 33269678), (52, 25592060), (65, 20473648), (80, 16634839), (104, 12796030), (130, 10236824), (169, 7874480), (208, 6398015), (257, 5178160), (260, 5118412), (338, 3937240), (383, 3474640), (514, 2589080), (520, 2559206), (676, 1968620), (766, 1737320), (845, 1574896), (1028, 1294540), (1040, 1279603), (1285, 1035632), (1352, 984310), (1532, 868660), (1690, 787448), (1915, 694928), (2056, 647270), (2570, 517816), (2704, 492155), (3064, 434330), (3341, 398320), (3380, 393724), (3830, 347464), (4112, 323635), (4979, 267280), (5140, 258908), (6128, 217165), (6682, 199160), (6760, 196862), (7660, 173732), (9958, 133640), (10280, 129454), (13364, 99580), (13520, 98431), (15320, 86866), (16705, 79664), (19916, 66820), (20560, 64727), (24895, 53456), (26728, 49790), (30640, 43433), (33410, 39832)]