72636620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 193052160

約数和(自身を除く): 120415540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 49, 70, 76, 83, 94, 95, 98, 133, 140, 166, 188, 190, 196, 235, 245, 266, 329, 332, 380, 415, 470, 490, 532, 581, 658, 665, 830, 893, 931, 940, 980, 1162, 1316, 1330, 1577, 1645, 1660, 1786, 1862, 2303, 2324, 2660, 2905, 3154, 3290, 3572, 3724, 3901, 4067, 4465, 4606, 4655, 5810, 6251, 6308, 6580, 7802, 7885, 8134, 8930, 9212, 9310, 11039, 11515, 11620, 12502, 15604, 15770, 16268, 17860, 18620, 19505, 20335, 22078, 23030, 25004, 27307, 31255, 31540, 39010, 40670, 43757, 44156, 46060, 54614, 55195, 62510, 74119, 77273, 78020, 81340, 87514, 109228, 110390, 125020, 136535, 148238, 154546, 175028, 191149, 218785, 220780, 273070, 296476, 309092, 370595, 382298, 386365, 437570, 518833, 546140, 741190, 764596, 772730, 875140, 955745, 1037666, 1482380, 1545460, 1911490, 2075332, 2594165, 3631831, 3822980, 5188330, 7263662, 10376660, 14527324, 18159155, 36318310, 72636620]

約数ペア:

[(1, 72636620), (2, 36318310), (4, 18159155), (5, 14527324), (7, 10376660), (10, 7263662), (14, 5188330), (19, 3822980), (20, 3631831), (28, 2594165), (35, 2075332), (38, 1911490), (47, 1545460), (49, 1482380), (70, 1037666), (76, 955745), (83, 875140), (94, 772730), (95, 764596), (98, 741190), (133, 546140), (140, 518833), (166, 437570), (188, 386365), (190, 382298), (196, 370595), (235, 309092), (245, 296476), (266, 273070), (329, 220780), (332, 218785), (380, 191149), (415, 175028), (470, 154546), (490, 148238), (532, 136535), (581, 125020), (658, 110390), (665, 109228), (830, 87514), (893, 81340), (931, 78020), (940, 77273), (980, 74119), (1162, 62510), (1316, 55195), (1330, 54614), (1577, 46060), (1645, 44156), (1660, 43757), (1786, 40670), (1862, 39010), (2303, 31540), (2324, 31255), (2660, 27307), (2905, 25004), (3154, 23030), (3290, 22078), (3572, 20335), (3724, 19505), (3901, 18620), (4067, 17860), (4465, 16268), (4606, 15770), (4655, 15604), (5810, 12502), (6251, 11620), (6308, 11515), (6580, 11039), (7802, 9310), (7885, 9212), (8134, 8930)]