79966980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 272885760

約数和(自身を除く): 192918780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 281, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 562, 612, 620, 765, 837, 843, 918, 930, 1020, 1054, 1116, 1124, 1395, 1405, 1530, 1581, 1674, 1686, 1836, 1860, 2108, 2295, 2529, 2635, 2790, 2810, 3060, 3162, 3348, 3372, 4185, 4215, 4590, 4743, 4777, 5058, 5270, 5580, 5620, 6324, 7587, 7905, 8370, 8430, 8711, 9180, 9486, 9554, 10116, 10540, 12645, 14229, 14331, 15174, 15810, 16740, 16860, 17422, 18972, 19108, 23715, 23885, 25290, 26133, 28458, 28662, 30348, 31620, 34844, 37935, 42993, 43555, 47430, 47770, 50580, 52266, 56916, 57324, 71145, 71655, 75870, 78399, 85986, 87110, 94860, 95540, 104532, 128979, 130665, 142290, 143310, 148087, 151740, 156798, 171972, 174220, 214965, 235197, 257958, 261330, 284580, 286620, 296174, 313596, 391995, 429930, 444261, 470394, 515916, 522660, 592348, 644895, 740435, 783990, 859860, 888522, 940788, 1175985, 1289790, 1332783, 1480870, 1567980, 1777044, 2221305, 2351970, 2579580, 2665566, 2961740, 3998349, 4442610, 4703940, 5331132, 6663915, 7996698, 8885220, 13327830, 15993396, 19991745, 26655660, 39983490, 79966980]

約数ペア:

[(1, 79966980), (2, 39983490), (3, 26655660), (4, 19991745), (5, 15993396), (6, 13327830), (9, 8885220), (10, 7996698), (12, 6663915), (15, 5331132), (17, 4703940), (18, 4442610), (20, 3998349), (27, 2961740), (30, 2665566), (31, 2579580), (34, 2351970), (36, 2221305), (45, 1777044), (51, 1567980), (54, 1480870), (60, 1332783), (62, 1289790), (68, 1175985), (85, 940788), (90, 888522), (93, 859860), (102, 783990), (108, 740435), (124, 644895), (135, 592348), (153, 522660), (155, 515916), (170, 470394), (180, 444261), (186, 429930), (204, 391995), (255, 313596), (270, 296174), (279, 286620), (281, 284580), (306, 261330), (310, 257958), (340, 235197), (372, 214965), (459, 174220), (465, 171972), (510, 156798), (527, 151740), (540, 148087), (558, 143310), (562, 142290), (612, 130665), (620, 128979), (765, 104532), (837, 95540), (843, 94860), (918, 87110), (930, 85986), (1020, 78399), (1054, 75870), (1116, 71655), (1124, 71145), (1395, 57324), (1405, 56916), (1530, 52266), (1581, 50580), (1674, 47770), (1686, 47430), (1836, 43555), (1860, 42993), (2108, 37935), (2295, 34844), (2529, 31620), (2635, 30348), (2790, 28662), (2810, 28458), (3060, 26133), (3162, 25290), (3348, 23885), (3372, 23715), (4185, 19108), (4215, 18972), (4590, 17422), (4743, 16860), (4777, 16740), (5058, 15810), (5270, 15174), (5580, 14331), (5620, 14229), (6324, 12645), (7587, 10540), (7905, 10116), (8370, 9554), (8430, 9486), (8711, 9180)]