79997580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2056

約数の個数: 144

約数和(自身を含む): 276835104

約数和(自身を除く): 196837524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2011, 2210, 2340, 2652, 3060, 3315, 3978, 4022, 4420, 6033, 6630, 7956, 8044, 9945, 10055, 12066, 13260, 18099, 19890, 20110, 24132, 26143, 30165, 34187, 36198, 39780, 40220, 52286, 60330, 68374, 72396, 78429, 90495, 102561, 104572, 120660, 130715, 136748, 156858, 170935, 180990, 205122, 235287, 261430, 307683, 313716, 341870, 361980, 392145, 410244, 444431, 470574, 512805, 522860, 615366, 683740, 784290, 888862, 941148, 1025610, 1176435, 1230732, 1333293, 1538415, 1568580, 1777724, 2051220, 2222155, 2352870, 2666586, 3076830, 3999879, 4444310, 4705740, 5333172, 6153660, 6666465, 7999758, 8888620, 13332930, 15999516, 19999395, 26665860, 39998790, 79997580]

約数ペア:

[(1, 79997580), (2, 39998790), (3, 26665860), (4, 19999395), (5, 15999516), (6, 13332930), (9, 8888620), (10, 7999758), (12, 6666465), (13, 6153660), (15, 5333172), (17, 4705740), (18, 4444310), (20, 3999879), (26, 3076830), (30, 2666586), (34, 2352870), (36, 2222155), (39, 2051220), (45, 1777724), (51, 1568580), (52, 1538415), (60, 1333293), (65, 1230732), (68, 1176435), (78, 1025610), (85, 941148), (90, 888862), (102, 784290), (117, 683740), (130, 615366), (153, 522860), (156, 512805), (170, 470574), (180, 444431), (195, 410244), (204, 392145), (221, 361980), (234, 341870), (255, 313716), (260, 307683), (306, 261430), (340, 235287), (390, 205122), (442, 180990), (468, 170935), (510, 156858), (585, 136748), (612, 130715), (663, 120660), (765, 104572), (780, 102561), (884, 90495), (1020, 78429), (1105, 72396), (1170, 68374), (1326, 60330), (1530, 52286), (1989, 40220), (2011, 39780), (2210, 36198), (2340, 34187), (2652, 30165), (3060, 26143), (3315, 24132), (3978, 20110), (4022, 19890), (4420, 18099), (6033, 13260), (6630, 12066), (7956, 10055), (8044, 9945)]