218438640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{14447}}^1$

素因数の和:14476

約数の個数: 160

約数和(自身を含む): 859944960

約数和(自身を除く): 641506320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 14447, 15120, 28894, 43341, 57788, 72235, 86682, 101129, 115576, 130023, 144470, 173364, 202258, 216705, 231152, 260046, 288940, 303387, 346728, 390069, 404516, 433410, 505645, 520092, 577880, 606774, 650115, 693456, 780138, 809032, 866820, 910161, 1011290, 1040184, 1155760, 1213548, 1300230, 1516935, 1560276, 1618064, 1733640, 1820322, 1950345, 2022580, 2080368, 2427096, 2600460, 2730483, 3033870, 3120552, 3467280, 3640644, 3900690, 4045160, 4550805, 4854192, 5200920, 5460966, 6067740, 6241104, 7281288, 7801380, 8090320, 9101610, 10401840, 10921932, 12135480, 13652415, 14562576, 15602760, 18203220, 21843864, 24270960, 27304830, 31205520, 36406440, 43687728, 54609660, 72812880, 109219320, 218438640]

約数ペア:

[(1, 218438640), (2, 109219320), (3, 72812880), (4, 54609660), (5, 43687728), (6, 36406440), (7, 31205520), (8, 27304830), (9, 24270960), (10, 21843864), (12, 18203220), (14, 15602760), (15, 14562576), (16, 13652415), (18, 12135480), (20, 10921932), (21, 10401840), (24, 9101610), (27, 8090320), (28, 7801380), (30, 7281288), (35, 6241104), (36, 6067740), (40, 5460966), (42, 5200920), (45, 4854192), (48, 4550805), (54, 4045160), (56, 3900690), (60, 3640644), (63, 3467280), (70, 3120552), (72, 3033870), (80, 2730483), (84, 2600460), (90, 2427096), (105, 2080368), (108, 2022580), (112, 1950345), (120, 1820322), (126, 1733640), (135, 1618064), (140, 1560276), (144, 1516935), (168, 1300230), (180, 1213548), (189, 1155760), (210, 1040184), (216, 1011290), (240, 910161), (252, 866820), (270, 809032), (280, 780138), (315, 693456), (336, 650115), (360, 606774), (378, 577880), (420, 520092), (432, 505645), (504, 433410), (540, 404516), (560, 390069), (630, 346728), (720, 303387), (756, 288940), (840, 260046), (945, 231152), (1008, 216705), (1080, 202258), (1260, 173364), (1512, 144470), (1680, 130023), (1890, 115576), (2160, 101129), (2520, 86682), (3024, 72235), (3780, 57788), (5040, 43341), (7560, 28894), (14447, 15120)]