740520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 144

約数和(自身を含む): 2800980

約数和(自身を除く): 2060460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 121, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 264, 306, 330, 340, 360, 363, 374, 396, 408, 440, 484, 495, 510, 561, 605, 612, 660, 680, 726, 748, 765, 792, 935, 968, 990, 1020, 1089, 1122, 1210, 1224, 1320, 1452, 1496, 1530, 1683, 1815, 1870, 1980, 2040, 2057, 2178, 2244, 2420, 2805, 2904, 3060, 3366, 3630, 3740, 3960, 4114, 4356, 4488, 4840, 5445, 5610, 6120, 6171, 6732, 7260, 7480, 8228, 8415, 8712, 10285, 10890, 11220, 12342, 13464, 14520, 16456, 16830, 18513, 20570, 21780, 22440, 24684, 30855, 33660, 37026, 41140, 43560, 49368, 61710, 67320, 74052, 82280, 92565, 123420, 148104, 185130, 246840, 370260, 740520]

約数ペア:

[(1, 740520), (2, 370260), (3, 246840), (4, 185130), (5, 148104), (6, 123420), (8, 92565), (9, 82280), (10, 74052), (11, 67320), (12, 61710), (15, 49368), (17, 43560), (18, 41140), (20, 37026), (22, 33660), (24, 30855), (30, 24684), (33, 22440), (34, 21780), (36, 20570), (40, 18513), (44, 16830), (45, 16456), (51, 14520), (55, 13464), (60, 12342), (66, 11220), (68, 10890), (72, 10285), (85, 8712), (88, 8415), (90, 8228), (99, 7480), (102, 7260), (110, 6732), (120, 6171), (121, 6120), (132, 5610), (136, 5445), (153, 4840), (165, 4488), (170, 4356), (180, 4114), (187, 3960), (198, 3740), (204, 3630), (220, 3366), (242, 3060), (255, 2904), (264, 2805), (306, 2420), (330, 2244), (340, 2178), (360, 2057), (363, 2040), (374, 1980), (396, 1870), (408, 1815), (440, 1683), (484, 1530), (495, 1496), (510, 1452), (561, 1320), (605, 1224), (612, 1210), (660, 1122), (680, 1089), (726, 1020), (748, 990), (765, 968), (792, 935)]