47655990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 139417200

約数和(自身を除く): 91761210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 31, 38, 45, 57, 58, 62, 87, 90, 93, 95, 114, 145, 155, 171, 174, 186, 190, 261, 279, 285, 290, 310, 342, 435, 465, 522, 551, 558, 570, 589, 855, 870, 899, 930, 961, 1102, 1178, 1305, 1395, 1653, 1710, 1767, 1798, 1922, 2610, 2697, 2755, 2790, 2883, 2945, 3306, 3534, 4495, 4805, 4959, 5301, 5394, 5510, 5766, 5890, 8091, 8265, 8649, 8835, 8990, 9610, 9918, 10602, 13485, 14415, 16182, 16530, 17081, 17298, 17670, 18259, 24795, 26505, 26970, 27869, 28830, 34162, 36518, 40455, 43245, 49590, 51243, 53010, 54777, 55738, 80910, 83607, 85405, 86490, 91295, 102486, 109554, 139345, 153729, 164331, 167214, 170810, 182590, 250821, 256215, 273885, 278690, 307458, 328662, 418035, 501642, 512430, 529511, 547770, 768645, 821655, 836070, 1059022, 1254105, 1537290, 1588533, 1643310, 2508210, 2647555, 3177066, 4765599, 5295110, 7942665, 9531198, 15885330, 23827995, 47655990]

約数ペア:

[(1, 47655990), (2, 23827995), (3, 15885330), (5, 9531198), (6, 7942665), (9, 5295110), (10, 4765599), (15, 3177066), (18, 2647555), (19, 2508210), (29, 1643310), (30, 1588533), (31, 1537290), (38, 1254105), (45, 1059022), (57, 836070), (58, 821655), (62, 768645), (87, 547770), (90, 529511), (93, 512430), (95, 501642), (114, 418035), (145, 328662), (155, 307458), (171, 278690), (174, 273885), (186, 256215), (190, 250821), (261, 182590), (279, 170810), (285, 167214), (290, 164331), (310, 153729), (342, 139345), (435, 109554), (465, 102486), (522, 91295), (551, 86490), (558, 85405), (570, 83607), (589, 80910), (855, 55738), (870, 54777), (899, 53010), (930, 51243), (961, 49590), (1102, 43245), (1178, 40455), (1305, 36518), (1395, 34162), (1653, 28830), (1710, 27869), (1767, 26970), (1798, 26505), (1922, 24795), (2610, 18259), (2697, 17670), (2755, 17298), (2790, 17081), (2883, 16530), (2945, 16182), (3306, 14415), (3534, 13485), (4495, 10602), (4805, 9918), (4959, 9610), (5301, 8990), (5394, 8835), (5510, 8649), (5766, 8265), (5890, 8091)]