81767484

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 236029248

約数和(自身を除く): 154261764

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 37, 46, 51, 68, 69, 74, 92, 102, 111, 138, 148, 153, 157, 204, 207, 222, 276, 306, 314, 333, 391, 414, 444, 471, 612, 628, 629, 666, 782, 828, 851, 942, 1173, 1258, 1332, 1413, 1564, 1702, 1884, 1887, 2346, 2516, 2553, 2669, 2826, 3404, 3519, 3611, 3774, 4692, 5106, 5338, 5652, 5661, 5809, 7038, 7222, 7548, 7659, 8007, 10212, 10676, 10833, 11322, 11618, 14076, 14444, 14467, 15318, 16014, 17427, 21666, 22644, 23236, 24021, 28934, 30636, 32028, 32499, 34854, 43332, 43401, 48042, 52281, 57868, 61387, 64998, 69708, 86802, 96084, 98753, 104562, 122774, 129996, 130203, 133607, 173604, 184161, 197506, 209124, 245548, 260406, 267214, 296259, 368322, 395012, 400821, 520812, 534428, 552483, 592518, 736644, 801642, 888777, 1104966, 1185036, 1202463, 1603284, 1777554, 2209932, 2271319, 2404926, 3555108, 4542638, 4809852, 6813957, 9085276, 13627914, 20441871, 27255828, 40883742, 81767484]

約数ペア:

[(1, 81767484), (2, 40883742), (3, 27255828), (4, 20441871), (6, 13627914), (9, 9085276), (12, 6813957), (17, 4809852), (18, 4542638), (23, 3555108), (34, 2404926), (36, 2271319), (37, 2209932), (46, 1777554), (51, 1603284), (68, 1202463), (69, 1185036), (74, 1104966), (92, 888777), (102, 801642), (111, 736644), (138, 592518), (148, 552483), (153, 534428), (157, 520812), (204, 400821), (207, 395012), (222, 368322), (276, 296259), (306, 267214), (314, 260406), (333, 245548), (391, 209124), (414, 197506), (444, 184161), (471, 173604), (612, 133607), (628, 130203), (629, 129996), (666, 122774), (782, 104562), (828, 98753), (851, 96084), (942, 86802), (1173, 69708), (1258, 64998), (1332, 61387), (1413, 57868), (1564, 52281), (1702, 48042), (1884, 43401), (1887, 43332), (2346, 34854), (2516, 32499), (2553, 32028), (2669, 30636), (2826, 28934), (3404, 24021), (3519, 23236), (3611, 22644), (3774, 21666), (4692, 17427), (5106, 16014), (5338, 15318), (5652, 14467), (5661, 14444), (5809, 14076), (7038, 11618), (7222, 11322), (7548, 10833), (7659, 10676), (8007, 10212)]