280225120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 144

約数和(自身を含む): 795650688

約数和(自身を除く): 515425568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1153, 1240, 1519, 1568, 1736, 1960, 2170, 2306, 2480, 3038, 3472, 3920, 4340, 4612, 4960, 5765, 6076, 6944, 7595, 7840, 8071, 8680, 9224, 11530, 12152, 15190, 16142, 17360, 18448, 23060, 24304, 30380, 32284, 34720, 35743, 36896, 40355, 46120, 48608, 56497, 60760, 64568, 71486, 80710, 92240, 112994, 121520, 129136, 142972, 161420, 178715, 184480, 225988, 243040, 250201, 258272, 282485, 285944, 322840, 357430, 451976, 500402, 564970, 571888, 645680, 714860, 903952, 1000804, 1129940, 1143776, 1251005, 1291360, 1429720, 1751407, 1807904, 2001608, 2259880, 2502010, 2859440, 3502814, 4003216, 4519760, 5004020, 5718880, 7005628, 8006432, 8757035, 9039520, 10008040, 14011256, 17514070, 20016080, 28022512, 35028140, 40032160, 56045024, 70056280, 140112560, 280225120]

約数ペア:

[(1, 280225120), (2, 140112560), (4, 70056280), (5, 56045024), (7, 40032160), (8, 35028140), (10, 28022512), (14, 20016080), (16, 17514070), (20, 14011256), (28, 10008040), (31, 9039520), (32, 8757035), (35, 8006432), (40, 7005628), (49, 5718880), (56, 5004020), (62, 4519760), (70, 4003216), (80, 3502814), (98, 2859440), (112, 2502010), (124, 2259880), (140, 2001608), (155, 1807904), (160, 1751407), (196, 1429720), (217, 1291360), (224, 1251005), (245, 1143776), (248, 1129940), (280, 1000804), (310, 903952), (392, 714860), (434, 645680), (490, 571888), (496, 564970), (560, 500402), (620, 451976), (784, 357430), (868, 322840), (980, 285944), (992, 282485), (1085, 258272), (1120, 250201), (1153, 243040), (1240, 225988), (1519, 184480), (1568, 178715), (1736, 161420), (1960, 142972), (2170, 129136), (2306, 121520), (2480, 112994), (3038, 92240), (3472, 80710), (3920, 71486), (4340, 64568), (4612, 60760), (4960, 56497), (5765, 48608), (6076, 46120), (6944, 40355), (7595, 36896), (7840, 35743), (8071, 34720), (8680, 32284), (9224, 30380), (11530, 24304), (12152, 23060), (15190, 18448), (16142, 17360)]