77915880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{631}}^1$

素因数の和:669

約数の個数: 192

約数和(自身を含む): 295776000

約数和(自身を除く): 217860120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 631, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1262, 1372, 1470, 1715, 1764, 1893, 1960, 2058, 2205, 2520, 2524, 2744, 2940, 3087, 3155, 3430, 3528, 3786, 4116, 4410, 4417, 5048, 5145, 5679, 5880, 6174, 6310, 6860, 7572, 8232, 8820, 8834, 9465, 10290, 11358, 12348, 12620, 13251, 13720, 15144, 15435, 17640, 17668, 18930, 20580, 22085, 22716, 24696, 25240, 26502, 28395, 30870, 30919, 35336, 37860, 39753, 41160, 44170, 45432, 53004, 56790, 61740, 61838, 66255, 75720, 79506, 88340, 92757, 106008, 113580, 123480, 123676, 132510, 154595, 159012, 176680, 185514, 198765, 216433, 227160, 247352, 265020, 278271, 309190, 318024, 371028, 397530, 432866, 463785, 530040, 556542, 618380, 649299, 742056, 795060, 865732, 927570, 1082165, 1113084, 1236760, 1298598, 1391355, 1590120, 1731464, 1855140, 1947897, 2164330, 2226168, 2597196, 2782710, 3246495, 3710280, 3895794, 4328660, 5194392, 5565420, 6492990, 7791588, 8657320, 9739485, 11130840, 12985980, 15583176, 19478970, 25971960, 38957940, 77915880]

約数ペア:

[(1, 77915880), (2, 38957940), (3, 25971960), (4, 19478970), (5, 15583176), (6, 12985980), (7, 11130840), (8, 9739485), (9, 8657320), (10, 7791588), (12, 6492990), (14, 5565420), (15, 5194392), (18, 4328660), (20, 3895794), (21, 3710280), (24, 3246495), (28, 2782710), (30, 2597196), (35, 2226168), (36, 2164330), (40, 1947897), (42, 1855140), (45, 1731464), (49, 1590120), (56, 1391355), (60, 1298598), (63, 1236760), (70, 1113084), (72, 1082165), (84, 927570), (90, 865732), (98, 795060), (105, 742056), (120, 649299), (126, 618380), (140, 556542), (147, 530040), (168, 463785), (180, 432866), (196, 397530), (210, 371028), (245, 318024), (252, 309190), (280, 278271), (294, 265020), (315, 247352), (343, 227160), (360, 216433), (392, 198765), (420, 185514), (441, 176680), (490, 159012), (504, 154595), (588, 132510), (630, 123676), (631, 123480), (686, 113580), (735, 106008), (840, 92757), (882, 88340), (980, 79506), (1029, 75720), (1176, 66255), (1260, 61838), (1262, 61740), (1372, 56790), (1470, 53004), (1715, 45432), (1764, 44170), (1893, 41160), (1960, 39753), (2058, 37860), (2205, 35336), (2520, 30919), (2524, 30870), (2744, 28395), (2940, 26502), (3087, 25240), (3155, 24696), (3430, 22716), (3528, 22085), (3786, 20580), (4116, 18930), (4410, 17668), (4417, 17640), (5048, 15435), (5145, 15144), (5679, 13720), (5880, 13251), (6174, 12620), (6310, 12348), (6860, 11358), (7572, 10290), (8232, 9465), (8820, 8834)]