31871760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 102552960

約数和(自身を除く): 70681200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 79, 80, 82, 120, 123, 158, 164, 205, 237, 240, 246, 316, 328, 395, 410, 474, 492, 615, 632, 656, 790, 820, 948, 984, 1185, 1230, 1264, 1580, 1640, 1681, 1896, 1968, 2370, 2460, 3160, 3239, 3280, 3362, 3792, 4740, 4920, 5043, 6320, 6478, 6724, 8405, 9480, 9717, 9840, 10086, 12956, 13448, 16195, 16810, 18960, 19434, 20172, 25215, 25912, 26896, 32390, 33620, 38868, 40344, 48585, 50430, 51824, 64780, 67240, 77736, 80688, 97170, 100860, 129560, 132799, 134480, 155472, 194340, 201720, 259120, 265598, 388680, 398397, 403440, 531196, 663995, 777360, 796794, 1062392, 1327990, 1593588, 1991985, 2124784, 2655980, 3187176, 3983970, 5311960, 6374352, 7967940, 10623920, 15935880, 31871760]

約数ペア:

[(1, 31871760), (2, 15935880), (3, 10623920), (4, 7967940), (5, 6374352), (6, 5311960), (8, 3983970), (10, 3187176), (12, 2655980), (15, 2124784), (16, 1991985), (20, 1593588), (24, 1327990), (30, 1062392), (40, 796794), (41, 777360), (48, 663995), (60, 531196), (79, 403440), (80, 398397), (82, 388680), (120, 265598), (123, 259120), (158, 201720), (164, 194340), (205, 155472), (237, 134480), (240, 132799), (246, 129560), (316, 100860), (328, 97170), (395, 80688), (410, 77736), (474, 67240), (492, 64780), (615, 51824), (632, 50430), (656, 48585), (790, 40344), (820, 38868), (948, 33620), (984, 32390), (1185, 26896), (1230, 25912), (1264, 25215), (1580, 20172), (1640, 19434), (1681, 18960), (1896, 16810), (1968, 16195), (2370, 13448), (2460, 12956), (3160, 10086), (3239, 9840), (3280, 9717), (3362, 9480), (3792, 8405), (4740, 6724), (4920, 6478), (5043, 6320)]