55775580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 185256960

約数和(自身を除く): 129481380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 79, 82, 84, 105, 123, 140, 158, 164, 205, 210, 237, 246, 287, 316, 395, 410, 420, 474, 492, 553, 574, 615, 790, 820, 861, 948, 1106, 1148, 1185, 1230, 1435, 1580, 1659, 1681, 1722, 2212, 2370, 2460, 2765, 2870, 3239, 3318, 3362, 3444, 4305, 4740, 5043, 5530, 5740, 6478, 6636, 6724, 8295, 8405, 8610, 9717, 10086, 11060, 11767, 12956, 16195, 16590, 16810, 17220, 19434, 20172, 22673, 23534, 25215, 32390, 33180, 33620, 35301, 38868, 45346, 47068, 48585, 50430, 58835, 64780, 68019, 70602, 90692, 97170, 100860, 113365, 117670, 132799, 136038, 141204, 176505, 194340, 226730, 235340, 265598, 272076, 340095, 353010, 398397, 453460, 531196, 663995, 680190, 706020, 796794, 929593, 1327990, 1360380, 1593588, 1859186, 1991985, 2655980, 2788779, 3718372, 3983970, 4647965, 5577558, 7967940, 9295930, 11155116, 13943895, 18591860, 27887790, 55775580]

約数ペア:

[(1, 55775580), (2, 27887790), (3, 18591860), (4, 13943895), (5, 11155116), (6, 9295930), (7, 7967940), (10, 5577558), (12, 4647965), (14, 3983970), (15, 3718372), (20, 2788779), (21, 2655980), (28, 1991985), (30, 1859186), (35, 1593588), (41, 1360380), (42, 1327990), (60, 929593), (70, 796794), (79, 706020), (82, 680190), (84, 663995), (105, 531196), (123, 453460), (140, 398397), (158, 353010), (164, 340095), (205, 272076), (210, 265598), (237, 235340), (246, 226730), (287, 194340), (316, 176505), (395, 141204), (410, 136038), (420, 132799), (474, 117670), (492, 113365), (553, 100860), (574, 97170), (615, 90692), (790, 70602), (820, 68019), (861, 64780), (948, 58835), (1106, 50430), (1148, 48585), (1185, 47068), (1230, 45346), (1435, 38868), (1580, 35301), (1659, 33620), (1681, 33180), (1722, 32390), (2212, 25215), (2370, 23534), (2460, 22673), (2765, 20172), (2870, 19434), (3239, 17220), (3318, 16810), (3362, 16590), (3444, 16195), (4305, 12956), (4740, 11767), (5043, 11060), (5530, 10086), (5740, 9717), (6478, 8610), (6636, 8405), (6724, 8295)]