31308420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 106686720

約数和(自身を除く): 75378300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 41, 44, 52, 55, 60, 65, 66, 78, 82, 89, 110, 123, 130, 132, 143, 156, 164, 165, 178, 195, 205, 220, 246, 260, 267, 286, 330, 356, 390, 410, 429, 445, 451, 492, 533, 534, 572, 615, 660, 715, 780, 820, 858, 890, 902, 979, 1066, 1068, 1157, 1230, 1335, 1353, 1430, 1599, 1716, 1780, 1804, 1958, 2132, 2145, 2255, 2314, 2460, 2665, 2670, 2706, 2860, 2937, 3198, 3471, 3649, 3916, 4290, 4510, 4628, 4895, 5330, 5340, 5412, 5785, 5863, 5874, 6396, 6765, 6942, 7298, 7995, 8580, 9020, 9790, 10660, 10947, 11570, 11726, 11748, 12727, 13530, 13884, 14596, 14685, 15990, 17355, 17589, 18245, 19580, 21894, 23140, 23452, 25454, 27060, 29315, 29370, 31980, 34710, 35178, 36490, 38181, 40139, 43788, 47437, 50908, 54735, 58630, 58740, 63635, 69420, 70356, 72980, 76362, 80278, 87945, 94874, 109470, 117260, 120417, 127270, 142311, 152724, 160556, 175890, 189748, 190905, 200695, 218940, 237185, 240834, 254540, 284622, 351780, 381810, 401390, 474370, 481668, 521807, 569244, 602085, 711555, 763620, 802780, 948740, 1043614, 1204170, 1423110, 1565421, 2087228, 2408340, 2609035, 2846220, 3130842, 5218070, 6261684, 7827105, 10436140, 15654210, 31308420]

約数ペア:

[(1, 31308420), (2, 15654210), (3, 10436140), (4, 7827105), (5, 6261684), (6, 5218070), (10, 3130842), (11, 2846220), (12, 2609035), (13, 2408340), (15, 2087228), (20, 1565421), (22, 1423110), (26, 1204170), (30, 1043614), (33, 948740), (39, 802780), (41, 763620), (44, 711555), (52, 602085), (55, 569244), (60, 521807), (65, 481668), (66, 474370), (78, 401390), (82, 381810), (89, 351780), (110, 284622), (123, 254540), (130, 240834), (132, 237185), (143, 218940), (156, 200695), (164, 190905), (165, 189748), (178, 175890), (195, 160556), (205, 152724), (220, 142311), (246, 127270), (260, 120417), (267, 117260), (286, 109470), (330, 94874), (356, 87945), (390, 80278), (410, 76362), (429, 72980), (445, 70356), (451, 69420), (492, 63635), (533, 58740), (534, 58630), (572, 54735), (615, 50908), (660, 47437), (715, 43788), (780, 40139), (820, 38181), (858, 36490), (890, 35178), (902, 34710), (979, 31980), (1066, 29370), (1068, 29315), (1157, 27060), (1230, 25454), (1335, 23452), (1353, 23140), (1430, 21894), (1599, 19580), (1716, 18245), (1780, 17589), (1804, 17355), (1958, 15990), (2132, 14685), (2145, 14596), (2255, 13884), (2314, 13530), (2460, 12727), (2665, 11748), (2670, 11726), (2706, 11570), (2860, 10947), (2937, 10660), (3198, 9790), (3471, 9020), (3649, 8580), (3916, 7995), (4290, 7298), (4510, 6942), (4628, 6765), (4895, 6396), (5330, 5874), (5340, 5863), (5412, 5785)]