289630320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172399}}^1$

素因数の和:172422

約数の個数: 80

約数和(自身を含む): 1026124800

約数和(自身を除く): 736494480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172399, 344798, 517197, 689596, 861995, 1034394, 1206793, 1379192, 1723990, 2068788, 2413586, 2585985, 2758384, 3447980, 3620379, 4137576, 4827172, 5171970, 6033965, 6895960, 7240758, 8275152, 9654344, 10343940, 12067930, 13791920, 14481516, 18101895, 19308688, 20687880, 24135860, 28963032, 36203790, 41375760, 48271720, 57926064, 72407580, 96543440, 144815160, 289630320]

約数ペア:

[(1, 289630320), (2, 144815160), (3, 96543440), (4, 72407580), (5, 57926064), (6, 48271720), (7, 41375760), (8, 36203790), (10, 28963032), (12, 24135860), (14, 20687880), (15, 19308688), (16, 18101895), (20, 14481516), (21, 13791920), (24, 12067930), (28, 10343940), (30, 9654344), (35, 8275152), (40, 7240758), (42, 6895960), (48, 6033965), (56, 5171970), (60, 4827172), (70, 4137576), (80, 3620379), (84, 3447980), (105, 2758384), (112, 2585985), (120, 2413586), (140, 2068788), (168, 1723990), (210, 1379192), (240, 1206793), (280, 1034394), (336, 861995), (420, 689596), (560, 517197), (840, 344798), (1680, 172399)]