51399180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 189719712

約数和(自身を除く): 138320532

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, 57, 60, 63, 70, 76, 84, 90, 95, 105, 113, 114, 126, 133, 140, 171, 180, 190, 210, 226, 228, 252, 266, 285, 315, 339, 342, 361, 380, 399, 420, 452, 532, 565, 570, 630, 665, 678, 684, 722, 791, 798, 855, 1017, 1083, 1130, 1140, 1197, 1260, 1330, 1356, 1444, 1582, 1596, 1695, 1710, 1805, 1995, 2034, 2147, 2166, 2260, 2373, 2394, 2527, 2660, 3164, 3249, 3390, 3420, 3610, 3955, 3990, 4068, 4294, 4332, 4746, 4788, 5054, 5085, 5415, 5985, 6441, 6498, 6780, 7119, 7220, 7581, 7910, 7980, 8588, 9492, 10108, 10170, 10735, 10830, 11865, 11970, 12635, 12882, 12996, 14238, 15029, 15162, 15820, 16245, 19323, 20340, 21470, 21660, 22743, 23730, 23940, 25270, 25764, 28476, 30058, 30324, 32205, 32490, 35595, 37905, 38646, 40793, 42940, 45087, 45486, 47460, 50540, 60116, 64410, 64980, 71190, 75145, 75810, 77292, 81586, 90174, 90972, 96615, 113715, 122379, 128820, 135261, 142380, 150290, 151620, 163172, 180348, 193230, 203965, 225435, 227430, 244758, 270522, 285551, 300580, 367137, 386460, 407930, 450870, 454860, 489516, 541044, 571102, 611895, 676305, 734274, 815860, 856653, 901740, 1142204, 1223790, 1352610, 1427755, 1468548, 1713306, 1835685, 2447580, 2569959, 2705220, 2855510, 3426612, 3671370, 4283265, 5139918, 5711020, 7342740, 8566530, 10279836, 12849795, 17133060, 25699590, 51399180]

約数ペア:

[(1, 51399180), (2, 25699590), (3, 17133060), (4, 12849795), (5, 10279836), (6, 8566530), (7, 7342740), (9, 5711020), (10, 5139918), (12, 4283265), (14, 3671370), (15, 3426612), (18, 2855510), (19, 2705220), (20, 2569959), (21, 2447580), (28, 1835685), (30, 1713306), (35, 1468548), (36, 1427755), (38, 1352610), (42, 1223790), (45, 1142204), (57, 901740), (60, 856653), (63, 815860), (70, 734274), (76, 676305), (84, 611895), (90, 571102), (95, 541044), (105, 489516), (113, 454860), (114, 450870), (126, 407930), (133, 386460), (140, 367137), (171, 300580), (180, 285551), (190, 270522), (210, 244758), (226, 227430), (228, 225435), (252, 203965), (266, 193230), (285, 180348), (315, 163172), (339, 151620), (342, 150290), (361, 142380), (380, 135261), (399, 128820), (420, 122379), (452, 113715), (532, 96615), (565, 90972), (570, 90174), (630, 81586), (665, 77292), (678, 75810), (684, 75145), (722, 71190), (791, 64980), (798, 64410), (855, 60116), (1017, 50540), (1083, 47460), (1130, 45486), (1140, 45087), (1197, 42940), (1260, 40793), (1330, 38646), (1356, 37905), (1444, 35595), (1582, 32490), (1596, 32205), (1695, 30324), (1710, 30058), (1805, 28476), (1995, 25764), (2034, 25270), (2147, 23940), (2166, 23730), (2260, 22743), (2373, 21660), (2394, 21470), (2527, 20340), (2660, 19323), (3164, 16245), (3249, 15820), (3390, 15162), (3420, 15029), (3610, 14238), (3955, 12996), (3990, 12882), (4068, 12635), (4294, 11970), (4332, 11865), (4746, 10830), (4788, 10735), (5054, 10170), (5085, 10108), (5415, 9492), (5985, 8588), (6441, 7980), (6498, 7910), (6780, 7581), (7119, 7220)]