74237940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 216

約数和(自身を含む): 276363360

約数和(自身を除く): 202125420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 443, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 886, 931, 980, 1140, 1197, 1260, 1329, 1330, 1470, 1596, 1710, 1764, 1772, 1862, 1995, 2205, 2215, 2394, 2658, 2660, 2793, 2940, 3101, 3420, 3724, 3987, 3990, 4410, 4430, 4655, 4788, 5316, 5586, 5985, 6202, 6645, 7974, 7980, 8379, 8417, 8820, 8860, 9303, 9310, 11172, 11970, 12404, 13290, 13965, 15505, 15948, 16758, 16834, 18606, 18620, 19935, 21707, 23940, 25251, 26580, 27909, 27930, 31010, 33516, 33668, 37212, 39870, 41895, 42085, 43414, 46515, 50502, 55818, 55860, 58919, 62020, 65121, 75753, 79740, 83790, 84170, 86828, 93030, 101004, 108535, 111636, 117838, 126255, 130242, 139545, 151506, 167580, 168340, 176757, 186060, 195363, 217070, 235676, 252510, 260484, 279090, 294595, 303012, 325605, 353514, 378765, 390726, 412433, 434140, 505020, 530271, 558180, 589190, 651210, 707028, 757530, 781452, 824866, 883785, 976815, 1060542, 1178380, 1237299, 1302420, 1515060, 1649732, 1767570, 1953630, 2062165, 2121084, 2474598, 2651355, 3535140, 3711897, 3907260, 4124330, 4949196, 5302710, 6186495, 7423794, 8248660, 10605420, 12372990, 14847588, 18559485, 24745980, 37118970, 74237940]

約数ペア:

[(1, 74237940), (2, 37118970), (3, 24745980), (4, 18559485), (5, 14847588), (6, 12372990), (7, 10605420), (9, 8248660), (10, 7423794), (12, 6186495), (14, 5302710), (15, 4949196), (18, 4124330), (19, 3907260), (20, 3711897), (21, 3535140), (28, 2651355), (30, 2474598), (35, 2121084), (36, 2062165), (38, 1953630), (42, 1767570), (45, 1649732), (49, 1515060), (57, 1302420), (60, 1237299), (63, 1178380), (70, 1060542), (76, 976815), (84, 883785), (90, 824866), (95, 781452), (98, 757530), (105, 707028), (114, 651210), (126, 589190), (133, 558180), (140, 530271), (147, 505020), (171, 434140), (180, 412433), (190, 390726), (196, 378765), (210, 353514), (228, 325605), (245, 303012), (252, 294595), (266, 279090), (285, 260484), (294, 252510), (315, 235676), (342, 217070), (380, 195363), (399, 186060), (420, 176757), (441, 168340), (443, 167580), (490, 151506), (532, 139545), (570, 130242), (588, 126255), (630, 117838), (665, 111636), (684, 108535), (735, 101004), (798, 93030), (855, 86828), (882, 84170), (886, 83790), (931, 79740), (980, 75753), (1140, 65121), (1197, 62020), (1260, 58919), (1329, 55860), (1330, 55818), (1470, 50502), (1596, 46515), (1710, 43414), (1764, 42085), (1772, 41895), (1862, 39870), (1995, 37212), (2205, 33668), (2215, 33516), (2394, 31010), (2658, 27930), (2660, 27909), (2793, 26580), (2940, 25251), (3101, 23940), (3420, 21707), (3724, 19935), (3987, 18620), (3990, 18606), (4410, 16834), (4430, 16758), (4655, 15948), (4788, 15505), (5316, 13965), (5586, 13290), (5985, 12404), (6202, 11970), (6645, 11172), (7974, 9310), (7980, 9303), (8379, 8860), (8417, 8820)]