71235180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 239500800

約数和(自身を除く): 168265620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 53, 54, 57, 60, 76, 90, 95, 106, 108, 114, 131, 135, 159, 171, 180, 190, 212, 228, 262, 265, 270, 285, 318, 342, 380, 393, 477, 513, 524, 530, 540, 570, 636, 655, 684, 786, 795, 855, 954, 1007, 1026, 1060, 1140, 1179, 1310, 1431, 1572, 1590, 1710, 1908, 1965, 2014, 2052, 2358, 2385, 2489, 2565, 2620, 2862, 3021, 3180, 3420, 3537, 3930, 4028, 4716, 4770, 4978, 5035, 5130, 5724, 5895, 6042, 6943, 7074, 7155, 7467, 7860, 9063, 9540, 9956, 10070, 10260, 11790, 12084, 12445, 13886, 14148, 14310, 14934, 15105, 17685, 18126, 20140, 20829, 22401, 23580, 24890, 27189, 27772, 28620, 29868, 30210, 34715, 35370, 36252, 37335, 41658, 44802, 45315, 49780, 54378, 60420, 62487, 67203, 69430, 70740, 74670, 83316, 89604, 90630, 104145, 108756, 112005, 124974, 131917, 134406, 135945, 138860, 149340, 181260, 187461, 208290, 224010, 249948, 263834, 268812, 271890, 312435, 336015, 374922, 395751, 416580, 448020, 527668, 543780, 624870, 659585, 672030, 749844, 791502, 937305, 1187253, 1249740, 1319170, 1344060, 1583004, 1874610, 1978755, 2374506, 2638340, 3561759, 3749220, 3957510, 4749012, 5936265, 7123518, 7915020, 11872530, 14247036, 17808795, 23745060, 35617590, 71235180]

約数ペア:

[(1, 71235180), (2, 35617590), (3, 23745060), (4, 17808795), (5, 14247036), (6, 11872530), (9, 7915020), (10, 7123518), (12, 5936265), (15, 4749012), (18, 3957510), (19, 3749220), (20, 3561759), (27, 2638340), (30, 2374506), (36, 1978755), (38, 1874610), (45, 1583004), (53, 1344060), (54, 1319170), (57, 1249740), (60, 1187253), (76, 937305), (90, 791502), (95, 749844), (106, 672030), (108, 659585), (114, 624870), (131, 543780), (135, 527668), (159, 448020), (171, 416580), (180, 395751), (190, 374922), (212, 336015), (228, 312435), (262, 271890), (265, 268812), (270, 263834), (285, 249948), (318, 224010), (342, 208290), (380, 187461), (393, 181260), (477, 149340), (513, 138860), (524, 135945), (530, 134406), (540, 131917), (570, 124974), (636, 112005), (655, 108756), (684, 104145), (786, 90630), (795, 89604), (855, 83316), (954, 74670), (1007, 70740), (1026, 69430), (1060, 67203), (1140, 62487), (1179, 60420), (1310, 54378), (1431, 49780), (1572, 45315), (1590, 44802), (1710, 41658), (1908, 37335), (1965, 36252), (2014, 35370), (2052, 34715), (2358, 30210), (2385, 29868), (2489, 28620), (2565, 27772), (2620, 27189), (2862, 24890), (3021, 23580), (3180, 22401), (3420, 20829), (3537, 20140), (3930, 18126), (4028, 17685), (4716, 15105), (4770, 14934), (4978, 14310), (5035, 14148), (5130, 13886), (5724, 12445), (5895, 12084), (6042, 11790), (6943, 10260), (7074, 10070), (7155, 9956), (7467, 9540), (7860, 9063)]