90271720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 265939200

約数和(自身を除く): 175667480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 53, 55, 56, 70, 77, 79, 88, 98, 106, 110, 140, 154, 158, 196, 212, 220, 245, 265, 280, 308, 316, 371, 385, 392, 395, 424, 440, 490, 530, 539, 553, 583, 616, 632, 742, 770, 790, 869, 980, 1060, 1078, 1106, 1166, 1484, 1540, 1580, 1738, 1855, 1960, 2120, 2156, 2212, 2332, 2597, 2695, 2765, 2915, 2968, 3080, 3160, 3476, 3710, 3871, 4081, 4187, 4312, 4345, 4424, 4664, 5194, 5390, 5530, 5830, 6083, 6952, 7420, 7742, 8162, 8374, 8690, 10388, 10780, 11060, 11660, 12166, 12985, 14840, 15484, 16324, 16748, 17380, 19355, 20405, 20776, 20935, 21560, 22120, 23320, 24332, 25970, 28567, 29309, 30415, 30968, 32648, 33496, 34760, 38710, 40810, 41870, 42581, 46057, 48664, 51940, 57134, 58618, 60830, 77420, 81620, 83740, 85162, 92114, 103880, 114268, 117236, 121660, 142835, 146545, 154840, 163240, 167480, 170324, 184228, 205163, 212905, 228536, 230285, 234472, 243320, 285670, 293090, 322399, 340648, 368456, 410326, 425810, 460570, 571340, 586180, 644798, 820652, 851620, 921140, 1025815, 1142680, 1172360, 1289596, 1611995, 1641304, 1703240, 1842280, 2051630, 2256793, 2579192, 3223990, 4103260, 4513586, 6447980, 8206520, 9027172, 11283965, 12895960, 18054344, 22567930, 45135860, 90271720]

約数ペア:

[(1, 90271720), (2, 45135860), (4, 22567930), (5, 18054344), (7, 12895960), (8, 11283965), (10, 9027172), (11, 8206520), (14, 6447980), (20, 4513586), (22, 4103260), (28, 3223990), (35, 2579192), (40, 2256793), (44, 2051630), (49, 1842280), (53, 1703240), (55, 1641304), (56, 1611995), (70, 1289596), (77, 1172360), (79, 1142680), (88, 1025815), (98, 921140), (106, 851620), (110, 820652), (140, 644798), (154, 586180), (158, 571340), (196, 460570), (212, 425810), (220, 410326), (245, 368456), (265, 340648), (280, 322399), (308, 293090), (316, 285670), (371, 243320), (385, 234472), (392, 230285), (395, 228536), (424, 212905), (440, 205163), (490, 184228), (530, 170324), (539, 167480), (553, 163240), (583, 154840), (616, 146545), (632, 142835), (742, 121660), (770, 117236), (790, 114268), (869, 103880), (980, 92114), (1060, 85162), (1078, 83740), (1106, 81620), (1166, 77420), (1484, 60830), (1540, 58618), (1580, 57134), (1738, 51940), (1855, 48664), (1960, 46057), (2120, 42581), (2156, 41870), (2212, 40810), (2332, 38710), (2597, 34760), (2695, 33496), (2765, 32648), (2915, 30968), (2968, 30415), (3080, 29309), (3160, 28567), (3476, 25970), (3710, 24332), (3871, 23320), (4081, 22120), (4187, 21560), (4312, 20935), (4345, 20776), (4424, 20405), (4664, 19355), (5194, 17380), (5390, 16748), (5530, 16324), (5830, 15484), (6083, 14840), (6952, 12985), (7420, 12166), (7742, 11660), (8162, 11060), (8374, 10780), (8690, 10388)]