280048275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1429}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 548628080

約数和(自身を除く): 268579805

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 195, 201, 225, 325, 335, 585, 603, 871, 975, 1005, 1429, 1675, 2613, 2925, 3015, 4287, 4355, 5025, 7145, 7839, 12861, 13065, 15075, 18577, 21435, 21775, 35725, 39195, 55731, 64305, 65325, 92885, 95743, 107175, 167193, 195975, 278655, 287229, 321525, 464425, 478715, 835965, 861687, 1244659, 1393275, 1436145, 2393575, 3733977, 4179825, 4308435, 6223295, 7180725, 11201931, 18669885, 21542175, 31116475, 56009655, 93349425, 280048275]

約数ペア:

[(1, 280048275), (3, 93349425), (5, 56009655), (9, 31116475), (13, 21542175), (15, 18669885), (25, 11201931), (39, 7180725), (45, 6223295), (65, 4308435), (67, 4179825), (75, 3733977), (117, 2393575), (195, 1436145), (201, 1393275), (225, 1244659), (325, 861687), (335, 835965), (585, 478715), (603, 464425), (871, 321525), (975, 287229), (1005, 278655), (1429, 195975), (1675, 167193), (2613, 107175), (2925, 95743), (3015, 92885), (4287, 65325), (4355, 64305), (5025, 55731), (7145, 39195), (7839, 35725), (12861, 21775), (13065, 21435), (15075, 18577)]