655121377460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{12899}}^1$

素因数の和:13638

約数の個数: 144

約数和(自身を含む): 1563400742400

約数和(自身を除く): 908279364940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 677, 682, 1210, 1354, 1364, 1705, 2420, 2708, 3385, 3410, 3751, 6770, 6820, 7447, 7502, 12899, 13540, 14894, 15004, 18755, 20987, 25798, 29788, 37235, 37510, 41974, 51596, 64495, 74470, 75020, 81917, 83948, 104935, 128990, 141889, 148940, 163834, 209870, 230857, 257980, 283778, 327668, 399869, 409585, 419740, 461714, 567556, 709445, 799738, 819170, 923428, 1154285, 1418890, 1560779, 1599476, 1638340, 1999345, 2308570, 2539427, 2837780, 3121558, 3998690, 4398559, 4617140, 5078854, 6243116, 7803895, 7997380, 8732623, 8797118, 10157708, 12697135, 15607790, 17465246, 17594236, 21992795, 25394270, 31215580, 34930492, 43663115, 43985590, 48384149, 50788540, 87326230, 87971180, 96058853, 96768298, 174652460, 192117706, 193536596, 241920745, 270711313, 384235412, 480294265, 483841490, 541422626, 960588530, 967682980, 1056647383, 1082845252, 1353556565, 1921177060, 2113294766, 2707113130, 2977824443, 4226589532, 5283236915, 5414226260, 5955648886, 10566473830, 11911297772, 14889122215, 21132947660, 29778244430, 32756068873, 59556488860, 65512137746, 131024275492, 163780344365, 327560688730, 655121377460]

約数ペア:

[(1, 655121377460), (2, 327560688730), (4, 163780344365), (5, 131024275492), (10, 65512137746), (11, 59556488860), (20, 32756068873), (22, 29778244430), (31, 21132947660), (44, 14889122215), (55, 11911297772), (62, 10566473830), (110, 5955648886), (121, 5414226260), (124, 5283236915), (155, 4226589532), (220, 2977824443), (242, 2707113130), (310, 2113294766), (341, 1921177060), (484, 1353556565), (605, 1082845252), (620, 1056647383), (677, 967682980), (682, 960588530), (1210, 541422626), (1354, 483841490), (1364, 480294265), (1705, 384235412), (2420, 270711313), (2708, 241920745), (3385, 193536596), (3410, 192117706), (3751, 174652460), (6770, 96768298), (6820, 96058853), (7447, 87971180), (7502, 87326230), (12899, 50788540), (13540, 48384149), (14894, 43985590), (15004, 43663115), (18755, 34930492), (20987, 31215580), (25798, 25394270), (29788, 21992795), (37235, 17594236), (37510, 17465246), (41974, 15607790), (51596, 12697135), (64495, 10157708), (74470, 8797118), (75020, 8732623), (81917, 7997380), (83948, 7803895), (104935, 6243116), (128990, 5078854), (141889, 4617140), (148940, 4398559), (163834, 3998690), (209870, 3121558), (230857, 2837780), (257980, 2539427), (283778, 2308570), (327668, 1999345), (399869, 1638340), (409585, 1599476), (419740, 1560779), (461714, 1418890), (567556, 1154285), (709445, 923428), (799738, 819170)]