71987010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 202118976

約数和(自身を除く): 130131966

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 30, 34, 38, 46, 51, 57, 69, 85, 95, 102, 114, 115, 138, 170, 190, 230, 255, 285, 289, 323, 345, 361, 391, 437, 510, 570, 578, 646, 690, 722, 782, 867, 874, 969, 1083, 1173, 1311, 1445, 1615, 1734, 1805, 1938, 1955, 2166, 2185, 2346, 2622, 2890, 3230, 3610, 3910, 4335, 4370, 4845, 5415, 5491, 5865, 6137, 6555, 6647, 7429, 8303, 8670, 9690, 10830, 10982, 11730, 12274, 13110, 13294, 14858, 16473, 16606, 18411, 19941, 22287, 24909, 27455, 30685, 32946, 33235, 36822, 37145, 39882, 41515, 44574, 49818, 54910, 61370, 66470, 74290, 82365, 83030, 92055, 99705, 104329, 111435, 124545, 126293, 141151, 164730, 184110, 199410, 208658, 222870, 249090, 252586, 282302, 312987, 378879, 423453, 521645, 625974, 631465, 705755, 757758, 846906, 1043290, 1262930, 1411510, 1564935, 1894395, 2117265, 2399567, 3129870, 3788790, 4234530, 4799134, 7198701, 11997835, 14397402, 23995670, 35993505, 71987010]

約数ペア:

[(1, 71987010), (2, 35993505), (3, 23995670), (5, 14397402), (6, 11997835), (10, 7198701), (15, 4799134), (17, 4234530), (19, 3788790), (23, 3129870), (30, 2399567), (34, 2117265), (38, 1894395), (46, 1564935), (51, 1411510), (57, 1262930), (69, 1043290), (85, 846906), (95, 757758), (102, 705755), (114, 631465), (115, 625974), (138, 521645), (170, 423453), (190, 378879), (230, 312987), (255, 282302), (285, 252586), (289, 249090), (323, 222870), (345, 208658), (361, 199410), (391, 184110), (437, 164730), (510, 141151), (570, 126293), (578, 124545), (646, 111435), (690, 104329), (722, 99705), (782, 92055), (867, 83030), (874, 82365), (969, 74290), (1083, 66470), (1173, 61370), (1311, 54910), (1445, 49818), (1615, 44574), (1734, 41515), (1805, 39882), (1938, 37145), (1955, 36822), (2166, 33235), (2185, 32946), (2346, 30685), (2622, 27455), (2890, 24909), (3230, 22287), (3610, 19941), (3910, 18411), (4335, 16606), (4370, 16473), (4845, 14858), (5415, 13294), (5491, 13110), (5865, 12274), (6137, 11730), (6555, 10982), (6647, 10830), (7429, 9690), (8303, 8670)]