28075740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 100638720

約数和(自身を除く): 72562980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 59, 60, 66, 70, 77, 84, 103, 105, 110, 118, 132, 140, 154, 165, 177, 206, 210, 220, 231, 236, 295, 308, 309, 330, 354, 385, 412, 413, 420, 462, 515, 590, 618, 649, 660, 708, 721, 770, 826, 885, 924, 1030, 1133, 1155, 1180, 1236, 1239, 1298, 1442, 1540, 1545, 1652, 1770, 1947, 2060, 2065, 2163, 2266, 2310, 2478, 2596, 2884, 3090, 3245, 3399, 3540, 3605, 3894, 4130, 4326, 4532, 4543, 4620, 4956, 5665, 6077, 6180, 6195, 6490, 6798, 7210, 7788, 7931, 8260, 8652, 9086, 9735, 10815, 11330, 12154, 12390, 12980, 13596, 13629, 14420, 15862, 16995, 18172, 18231, 19470, 21630, 22660, 22715, 23793, 24308, 24780, 27258, 30385, 31724, 33990, 36462, 38940, 39655, 42539, 43260, 45430, 47586, 54516, 60770, 66847, 67980, 68145, 72924, 79310, 85078, 90860, 91155, 95172, 118965, 121540, 127617, 133694, 136290, 158620, 170156, 182310, 200541, 212695, 237930, 255234, 267388, 272580, 334235, 364620, 401082, 425390, 467929, 475860, 510468, 638085, 668470, 802164, 850780, 935858, 1002705, 1276170, 1336940, 1403787, 1871716, 2005410, 2339645, 2552340, 2807574, 4010820, 4679290, 5615148, 7018935, 9358580, 14037870, 28075740]

約数ペア:

[(1, 28075740), (2, 14037870), (3, 9358580), (4, 7018935), (5, 5615148), (6, 4679290), (7, 4010820), (10, 2807574), (11, 2552340), (12, 2339645), (14, 2005410), (15, 1871716), (20, 1403787), (21, 1336940), (22, 1276170), (28, 1002705), (30, 935858), (33, 850780), (35, 802164), (42, 668470), (44, 638085), (55, 510468), (59, 475860), (60, 467929), (66, 425390), (70, 401082), (77, 364620), (84, 334235), (103, 272580), (105, 267388), (110, 255234), (118, 237930), (132, 212695), (140, 200541), (154, 182310), (165, 170156), (177, 158620), (206, 136290), (210, 133694), (220, 127617), (231, 121540), (236, 118965), (295, 95172), (308, 91155), (309, 90860), (330, 85078), (354, 79310), (385, 72924), (412, 68145), (413, 67980), (420, 66847), (462, 60770), (515, 54516), (590, 47586), (618, 45430), (649, 43260), (660, 42539), (708, 39655), (721, 38940), (770, 36462), (826, 33990), (885, 31724), (924, 30385), (1030, 27258), (1133, 24780), (1155, 24308), (1180, 23793), (1236, 22715), (1239, 22660), (1298, 21630), (1442, 19470), (1540, 18231), (1545, 18172), (1652, 16995), (1770, 15862), (1947, 14420), (2060, 13629), (2065, 13596), (2163, 12980), (2266, 12390), (2310, 12154), (2478, 11330), (2596, 10815), (2884, 9735), (3090, 9086), (3245, 8652), (3399, 8260), (3540, 7931), (3605, 7788), (3894, 7210), (4130, 6798), (4326, 6490), (4532, 6195), (4543, 6180), (4620, 6077), (4956, 5665)]