40920390

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1064

約数の個数: 120

約数和(自身を含む): 128118672

約数和(自身を除く): 87198282

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1031, 1134, 1323, 1470, 1890, 2062, 2205, 2646, 2835, 3093, 3969, 4410, 5155, 5670, 6186, 6615, 7217, 7938, 9279, 10310, 13230, 14434, 15465, 18558, 19845, 21651, 27837, 30930, 36085, 39690, 43302, 46395, 50519, 55674, 64953, 72170, 83511, 92790, 101038, 108255, 129906, 139185, 151557, 167022, 194859, 216510, 252595, 278370, 303114, 324765, 389718, 417555, 454671, 505190, 584577, 649530, 757785, 835110, 909342, 974295, 1169154, 1364013, 1515570, 1948590, 2273355, 2728026, 2922885, 4092039, 4546710, 5845770, 6820065, 8184078, 13640130, 20460195, 40920390]

約数ペア:

[(1, 40920390), (2, 20460195), (3, 13640130), (5, 8184078), (6, 6820065), (7, 5845770), (9, 4546710), (10, 4092039), (14, 2922885), (15, 2728026), (18, 2273355), (21, 1948590), (27, 1515570), (30, 1364013), (35, 1169154), (42, 974295), (45, 909342), (49, 835110), (54, 757785), (63, 649530), (70, 584577), (81, 505190), (90, 454671), (98, 417555), (105, 389718), (126, 324765), (135, 303114), (147, 278370), (162, 252595), (189, 216510), (210, 194859), (245, 167022), (270, 151557), (294, 139185), (315, 129906), (378, 108255), (405, 101038), (441, 92790), (490, 83511), (567, 72170), (630, 64953), (735, 55674), (810, 50519), (882, 46395), (945, 43302), (1031, 39690), (1134, 36085), (1323, 30930), (1470, 27837), (1890, 21651), (2062, 19845), (2205, 18558), (2646, 15465), (2835, 14434), (3093, 13230), (3969, 10310), (4410, 9279), (5155, 7938), (5670, 7217), (6186, 6615)]