180072800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 465720192

約数和(自身を除く): 285647392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 53, 62, 80, 100, 106, 124, 137, 155, 160, 200, 212, 248, 265, 274, 310, 400, 424, 496, 530, 548, 620, 685, 775, 800, 848, 992, 1060, 1096, 1240, 1325, 1370, 1550, 1643, 1696, 2120, 2192, 2480, 2650, 2740, 3100, 3286, 3425, 4240, 4247, 4384, 4960, 5300, 5480, 6200, 6572, 6850, 7261, 8215, 8480, 8494, 10600, 10960, 12400, 13144, 13700, 14522, 16430, 16988, 21200, 21235, 21920, 24800, 26288, 27400, 29044, 32860, 33976, 36305, 41075, 42400, 42470, 52576, 54800, 58088, 65720, 67952, 72610, 82150, 84940, 106175, 109600, 116176, 131440, 135904, 145220, 164300, 169880, 181525, 212350, 225091, 232352, 262880, 290440, 328600, 339760, 363050, 424700, 450182, 580880, 657200, 679520, 726100, 849400, 900364, 1125455, 1161760, 1314400, 1452200, 1698800, 1800728, 2250910, 2904400, 3397600, 3601456, 4501820, 5627275, 5808800, 7202912, 9003640, 11254550, 18007280, 22509100, 36014560, 45018200, 90036400, 180072800]

約数ペア:

[(1, 180072800), (2, 90036400), (4, 45018200), (5, 36014560), (8, 22509100), (10, 18007280), (16, 11254550), (20, 9003640), (25, 7202912), (31, 5808800), (32, 5627275), (40, 4501820), (50, 3601456), (53, 3397600), (62, 2904400), (80, 2250910), (100, 1800728), (106, 1698800), (124, 1452200), (137, 1314400), (155, 1161760), (160, 1125455), (200, 900364), (212, 849400), (248, 726100), (265, 679520), (274, 657200), (310, 580880), (400, 450182), (424, 424700), (496, 363050), (530, 339760), (548, 328600), (620, 290440), (685, 262880), (775, 232352), (800, 225091), (848, 212350), (992, 181525), (1060, 169880), (1096, 164300), (1240, 145220), (1325, 135904), (1370, 131440), (1550, 116176), (1643, 109600), (1696, 106175), (2120, 84940), (2192, 82150), (2480, 72610), (2650, 67952), (2740, 65720), (3100, 58088), (3286, 54800), (3425, 52576), (4240, 42470), (4247, 42400), (4384, 41075), (4960, 36305), (5300, 33976), (5480, 32860), (6200, 29044), (6572, 27400), (6850, 26288), (7261, 24800), (8215, 21920), (8480, 21235), (8494, 21200), (10600, 16988), (10960, 16430), (12400, 14522), (13144, 13700)]