15705851780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{5849}}^1$

素因数の和:6021

約数の個数: 96

約数和(自身を含む): 35097753600

約数和(自身を除く): 19391901820

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 71, 122, 124, 142, 155, 244, 284, 305, 310, 355, 610, 620, 710, 1220, 1420, 1891, 2201, 3782, 4331, 4402, 5849, 7564, 8662, 8804, 9455, 11005, 11698, 17324, 18910, 21655, 22010, 23396, 29245, 37820, 43310, 44020, 58490, 86620, 116980, 134261, 181319, 268522, 356789, 362638, 415279, 537044, 671305, 713578, 725276, 830558, 906595, 1342610, 1427156, 1661116, 1783945, 1813190, 2076395, 2685220, 3567890, 3626380, 4152790, 7135780, 8305580, 11060459, 12873649, 22120918, 25332019, 25747298, 44241836, 50664038, 51494596, 55302295, 64368245, 101328076, 110604590, 126660095, 128736490, 221209180, 253320190, 257472980, 506640380, 785292589, 1570585178, 3141170356, 3926462945, 7852925890, 15705851780]

約数ペア:

[(1, 15705851780), (2, 7852925890), (4, 3926462945), (5, 3141170356), (10, 1570585178), (20, 785292589), (31, 506640380), (61, 257472980), (62, 253320190), (71, 221209180), (122, 128736490), (124, 126660095), (142, 110604590), (155, 101328076), (244, 64368245), (284, 55302295), (305, 51494596), (310, 50664038), (355, 44241836), (610, 25747298), (620, 25332019), (710, 22120918), (1220, 12873649), (1420, 11060459), (1891, 8305580), (2201, 7135780), (3782, 4152790), (4331, 3626380), (4402, 3567890), (5849, 2685220), (7564, 2076395), (8662, 1813190), (8804, 1783945), (9455, 1661116), (11005, 1427156), (11698, 1342610), (17324, 906595), (18910, 830558), (21655, 725276), (22010, 713578), (23396, 671305), (29245, 537044), (37820, 415279), (43310, 362638), (44020, 356789), (58490, 268522), (86620, 181319), (116980, 134261)]