4031720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 144

約数和(自身を含む): 12281220

約数和(自身を除く): 8249500

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 121, 136, 140, 154, 170, 187, 196, 220, 238, 242, 245, 280, 308, 340, 374, 385, 392, 440, 476, 484, 490, 539, 595, 605, 616, 680, 748, 770, 833, 847, 935, 952, 968, 980, 1078, 1190, 1210, 1309, 1496, 1540, 1666, 1694, 1870, 1960, 2057, 2156, 2380, 2420, 2618, 2695, 3080, 3332, 3388, 3740, 4114, 4165, 4235, 4312, 4760, 4840, 5236, 5390, 5929, 6545, 6664, 6776, 7480, 8228, 8330, 8470, 9163, 10285, 10472, 10780, 11858, 13090, 14399, 16456, 16660, 16940, 18326, 20570, 21560, 23716, 26180, 28798, 29645, 33320, 33880, 36652, 41140, 45815, 47432, 52360, 57596, 59290, 71995, 73304, 82280, 91630, 100793, 115192, 118580, 143990, 183260, 201586, 237160, 287980, 366520, 403172, 503965, 575960, 806344, 1007930, 2015860, 4031720]

約数ペア:

[(1, 4031720), (2, 2015860), (4, 1007930), (5, 806344), (7, 575960), (8, 503965), (10, 403172), (11, 366520), (14, 287980), (17, 237160), (20, 201586), (22, 183260), (28, 143990), (34, 118580), (35, 115192), (40, 100793), (44, 91630), (49, 82280), (55, 73304), (56, 71995), (68, 59290), (70, 57596), (77, 52360), (85, 47432), (88, 45815), (98, 41140), (110, 36652), (119, 33880), (121, 33320), (136, 29645), (140, 28798), (154, 26180), (170, 23716), (187, 21560), (196, 20570), (220, 18326), (238, 16940), (242, 16660), (245, 16456), (280, 14399), (308, 13090), (340, 11858), (374, 10780), (385, 10472), (392, 10285), (440, 9163), (476, 8470), (484, 8330), (490, 8228), (539, 7480), (595, 6776), (605, 6664), (616, 6545), (680, 5929), (748, 5390), (770, 5236), (833, 4840), (847, 4760), (935, 4312), (952, 4235), (968, 4165), (980, 4114), (1078, 3740), (1190, 3388), (1210, 3332), (1309, 3080), (1496, 2695), (1540, 2618), (1666, 2420), (1694, 2380), (1870, 2156), (1960, 2057)]