248380680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2971

約数の個数: 128

約数和(自身を含む): 802897920

約数和(自身を除く): 554517240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 2903, 3565, 3720, 4278, 5704, 5806, 7130, 8556, 8709, 10695, 11612, 14260, 14515, 17112, 17418, 21390, 23224, 28520, 29030, 34836, 42780, 43545, 58060, 66769, 69672, 85560, 87090, 89993, 116120, 133538, 174180, 179986, 200307, 267076, 269979, 333845, 348360, 359972, 400614, 449965, 534152, 539958, 667690, 719944, 801228, 899930, 1001535, 1079916, 1335380, 1349895, 1602456, 1799860, 2003070, 2069839, 2159832, 2670760, 2699790, 3599720, 4006140, 4139678, 5399580, 6209517, 8012280, 8279356, 10349195, 10799160, 12419034, 16558712, 20698390, 24838068, 31047585, 41396780, 49676136, 62095170, 82793560, 124190340, 248380680]

約数ペア:

[(1, 248380680), (2, 124190340), (3, 82793560), (4, 62095170), (5, 49676136), (6, 41396780), (8, 31047585), (10, 24838068), (12, 20698390), (15, 16558712), (20, 12419034), (23, 10799160), (24, 10349195), (30, 8279356), (31, 8012280), (40, 6209517), (46, 5399580), (60, 4139678), (62, 4006140), (69, 3599720), (92, 2699790), (93, 2670760), (115, 2159832), (120, 2069839), (124, 2003070), (138, 1799860), (155, 1602456), (184, 1349895), (186, 1335380), (230, 1079916), (248, 1001535), (276, 899930), (310, 801228), (345, 719944), (372, 667690), (460, 539958), (465, 534152), (552, 449965), (620, 400614), (690, 359972), (713, 348360), (744, 333845), (920, 269979), (930, 267076), (1240, 200307), (1380, 179986), (1426, 174180), (1860, 133538), (2139, 116120), (2760, 89993), (2852, 87090), (2903, 85560), (3565, 69672), (3720, 66769), (4278, 58060), (5704, 43545), (5806, 42780), (7130, 34836), (8556, 29030), (8709, 28520), (10695, 23224), (11612, 21390), (14260, 17418), (14515, 17112)]