78770520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 276812640

約数和(自身を除く): 198042120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 153, 170, 180, 183, 204, 211, 244, 255, 305, 306, 340, 360, 366, 408, 422, 488, 510, 549, 610, 612, 633, 680, 732, 765, 844, 915, 1020, 1037, 1055, 1098, 1220, 1224, 1266, 1464, 1530, 1688, 1830, 1899, 2040, 2074, 2110, 2196, 2440, 2532, 2745, 3060, 3111, 3165, 3587, 3660, 3798, 4148, 4220, 4392, 5064, 5185, 5490, 6120, 6222, 6330, 7174, 7320, 7596, 8296, 8440, 9333, 9495, 10370, 10761, 10980, 12444, 12660, 12871, 14348, 15192, 15555, 17935, 18666, 18990, 20740, 21522, 21960, 24888, 25320, 25742, 28696, 31110, 32283, 35870, 37332, 37980, 38613, 41480, 43044, 46665, 51484, 53805, 62220, 64355, 64566, 71740, 74664, 75960, 77226, 86088, 93330, 102968, 107610, 115839, 124440, 128710, 129132, 143480, 154452, 161415, 186660, 193065, 215220, 218807, 231678, 257420, 258264, 308904, 322830, 373320, 386130, 430440, 437614, 463356, 514840, 579195, 645660, 656421, 772260, 875228, 926712, 1094035, 1158390, 1291320, 1312842, 1544520, 1750456, 1969263, 2188070, 2316780, 2625684, 3282105, 3938526, 4376140, 4633560, 5251368, 6564210, 7877052, 8752280, 9846315, 13128420, 15754104, 19692630, 26256840, 39385260, 78770520]

約数ペア:

[(1, 78770520), (2, 39385260), (3, 26256840), (4, 19692630), (5, 15754104), (6, 13128420), (8, 9846315), (9, 8752280), (10, 7877052), (12, 6564210), (15, 5251368), (17, 4633560), (18, 4376140), (20, 3938526), (24, 3282105), (30, 2625684), (34, 2316780), (36, 2188070), (40, 1969263), (45, 1750456), (51, 1544520), (60, 1312842), (61, 1291320), (68, 1158390), (72, 1094035), (85, 926712), (90, 875228), (102, 772260), (120, 656421), (122, 645660), (136, 579195), (153, 514840), (170, 463356), (180, 437614), (183, 430440), (204, 386130), (211, 373320), (244, 322830), (255, 308904), (305, 258264), (306, 257420), (340, 231678), (360, 218807), (366, 215220), (408, 193065), (422, 186660), (488, 161415), (510, 154452), (549, 143480), (610, 129132), (612, 128710), (633, 124440), (680, 115839), (732, 107610), (765, 102968), (844, 93330), (915, 86088), (1020, 77226), (1037, 75960), (1055, 74664), (1098, 71740), (1220, 64566), (1224, 64355), (1266, 62220), (1464, 53805), (1530, 51484), (1688, 46665), (1830, 43044), (1899, 41480), (2040, 38613), (2074, 37980), (2110, 37332), (2196, 35870), (2440, 32283), (2532, 31110), (2745, 28696), (3060, 25742), (3111, 25320), (3165, 24888), (3587, 21960), (3660, 21522), (3798, 20740), (4148, 18990), (4220, 18666), (4392, 17935), (5064, 15555), (5185, 15192), (5490, 14348), (6120, 12871), (6222, 12660), (6330, 12444), (7174, 10980), (7320, 10761), (7596, 10370), (8296, 9495), (8440, 9333)]