206290980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1279

約数の個数: 216

約数和(自身を含む): 766846080

約数和(自身を除く): 560555100

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, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1231, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2462, 2660, 2793, 2940, 3420, 3693, 3724, 3990, 4410, 4655, 4788, 4924, 5586, 5985, 6155, 7386, 7980, 8379, 8617, 8820, 9310, 11079, 11172, 11970, 12310, 13965, 14772, 16758, 17234, 18465, 18620, 22158, 23389, 23940, 24620, 25851, 27930, 33516, 34468, 36930, 41895, 43085, 44316, 46778, 51702, 55395, 55860, 60319, 70167, 73860, 77553, 83790, 86170, 93556, 103404, 110790, 116945, 120638, 129255, 140334, 155106, 163723, 167580, 172340, 180957, 210501, 221580, 233890, 241276, 258510, 280668, 301595, 310212, 327446, 350835, 361914, 387765, 421002, 467780, 491169, 517020, 542871, 603190, 654892, 701670, 723828, 775530, 818615, 842004, 904785, 982338, 1052505, 1085742, 1146061, 1206380, 1403340, 1473507, 1551060, 1637230, 1809570, 1964676, 2105010, 2171484, 2292122, 2455845, 2714355, 2947014, 3274460, 3438183, 3619140, 4210020, 4584244, 4911690, 5428710, 5730305, 5894028, 6876366, 7367535, 9823380, 10314549, 10857420, 11460610, 13752732, 14735070, 17190915, 20629098, 22921220, 29470140, 34381830, 41258196, 51572745, 68763660, 103145490, 206290980]

約数ペア:

[(1, 206290980), (2, 103145490), (3, 68763660), (4, 51572745), (5, 41258196), (6, 34381830), (7, 29470140), (9, 22921220), (10, 20629098), (12, 17190915), (14, 14735070), (15, 13752732), (18, 11460610), (19, 10857420), (20, 10314549), (21, 9823380), (28, 7367535), (30, 6876366), (35, 5894028), (36, 5730305), (38, 5428710), (42, 4911690), (45, 4584244), (49, 4210020), (57, 3619140), (60, 3438183), (63, 3274460), (70, 2947014), (76, 2714355), (84, 2455845), (90, 2292122), (95, 2171484), (98, 2105010), (105, 1964676), (114, 1809570), (126, 1637230), (133, 1551060), (140, 1473507), (147, 1403340), (171, 1206380), (180, 1146061), (190, 1085742), (196, 1052505), (210, 982338), (228, 904785), (245, 842004), (252, 818615), (266, 775530), (285, 723828), (294, 701670), (315, 654892), (342, 603190), (380, 542871), (399, 517020), (420, 491169), (441, 467780), (490, 421002), (532, 387765), (570, 361914), (588, 350835), (630, 327446), (665, 310212), (684, 301595), (735, 280668), (798, 258510), (855, 241276), (882, 233890), (931, 221580), (980, 210501), (1140, 180957), (1197, 172340), (1231, 167580), (1260, 163723), (1330, 155106), (1470, 140334), (1596, 129255), (1710, 120638), (1764, 116945), (1862, 110790), (1995, 103404), (2205, 93556), (2394, 86170), (2462, 83790), (2660, 77553), (2793, 73860), (2940, 70167), (3420, 60319), (3693, 55860), (3724, 55395), (3990, 51702), (4410, 46778), (4655, 44316), (4788, 43085), (4924, 41895), (5586, 36930), (5985, 34468), (6155, 33516), (7386, 27930), (7980, 25851), (8379, 24620), (8617, 23940), (8820, 23389), (9310, 22158), (11079, 18620), (11172, 18465), (11970, 17234), (12310, 16758), (13965, 14772)]