328378120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 902016000

約数和(自身を除く): 573637880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 149, 170, 238, 280, 298, 340, 463, 476, 595, 596, 680, 745, 926, 952, 1043, 1190, 1192, 1490, 1852, 2086, 2315, 2380, 2533, 2980, 3241, 3704, 4172, 4630, 4760, 5066, 5215, 5960, 6482, 7871, 8344, 9260, 10132, 10430, 12665, 12964, 15742, 16205, 17731, 18520, 20264, 20860, 25330, 25928, 31484, 32410, 35462, 39355, 41720, 50660, 55097, 62968, 64820, 68987, 70924, 78710, 88655, 101320, 110194, 129640, 137974, 141848, 157420, 177310, 220388, 275485, 275948, 314840, 344935, 354620, 440776, 482909, 550970, 551896, 689870, 709240, 965818, 1101940, 1172779, 1379740, 1931636, 2203880, 2345558, 2414545, 2759480, 3863272, 4691116, 4829090, 5863895, 8209453, 9382232, 9658180, 11727790, 16418906, 19316360, 23455580, 32837812, 41047265, 46911160, 65675624, 82094530, 164189060, 328378120]

約数ペア:

[(1, 328378120), (2, 164189060), (4, 82094530), (5, 65675624), (7, 46911160), (8, 41047265), (10, 32837812), (14, 23455580), (17, 19316360), (20, 16418906), (28, 11727790), (34, 9658180), (35, 9382232), (40, 8209453), (56, 5863895), (68, 4829090), (70, 4691116), (85, 3863272), (119, 2759480), (136, 2414545), (140, 2345558), (149, 2203880), (170, 1931636), (238, 1379740), (280, 1172779), (298, 1101940), (340, 965818), (463, 709240), (476, 689870), (595, 551896), (596, 550970), (680, 482909), (745, 440776), (926, 354620), (952, 344935), (1043, 314840), (1190, 275948), (1192, 275485), (1490, 220388), (1852, 177310), (2086, 157420), (2315, 141848), (2380, 137974), (2533, 129640), (2980, 110194), (3241, 101320), (3704, 88655), (4172, 78710), (4630, 70924), (4760, 68987), (5066, 64820), (5215, 62968), (5960, 55097), (6482, 50660), (7871, 41720), (8344, 39355), (9260, 35462), (10132, 32410), (10430, 31484), (12665, 25928), (12964, 25330), (15742, 20860), (16205, 20264), (17731, 18520)]