78770720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1402

約数の個数: 96

約数和(自身を含む): 216857088

約数和(自身を除く): 138086368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1120, 1327, 1484, 1696, 1855, 2120, 2654, 2968, 3710, 4240, 5308, 5936, 6635, 7420, 8480, 9289, 10616, 11872, 13270, 14840, 18578, 21232, 26540, 29680, 37156, 42464, 46445, 53080, 59360, 70331, 74312, 92890, 106160, 140662, 148624, 185780, 212320, 281324, 297248, 351655, 371560, 492317, 562648, 703310, 743120, 984634, 1125296, 1406620, 1486240, 1969268, 2250592, 2461585, 2813240, 3938536, 4923170, 5626480, 7877072, 9846340, 11252960, 15754144, 19692680, 39385360, 78770720]

約数ペア:

[(1, 78770720), (2, 39385360), (4, 19692680), (5, 15754144), (7, 11252960), (8, 9846340), (10, 7877072), (14, 5626480), (16, 4923170), (20, 3938536), (28, 2813240), (32, 2461585), (35, 2250592), (40, 1969268), (53, 1486240), (56, 1406620), (70, 1125296), (80, 984634), (106, 743120), (112, 703310), (140, 562648), (160, 492317), (212, 371560), (224, 351655), (265, 297248), (280, 281324), (371, 212320), (424, 185780), (530, 148624), (560, 140662), (742, 106160), (848, 92890), (1060, 74312), (1120, 70331), (1327, 59360), (1484, 53080), (1696, 46445), (1855, 42464), (2120, 37156), (2654, 29680), (2968, 26540), (3710, 21232), (4240, 18578), (5308, 14840), (5936, 13270), (6635, 11872), (7420, 10616), (8480, 9289)]