18679980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 60060672

約数和(自身を除く): 41380692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 83, 93, 110, 121, 124, 132, 155, 165, 166, 186, 220, 242, 249, 310, 330, 332, 341, 363, 372, 415, 465, 484, 498, 605, 620, 660, 682, 726, 830, 913, 930, 996, 1023, 1210, 1245, 1364, 1452, 1660, 1705, 1815, 1826, 1860, 2046, 2420, 2490, 2573, 2739, 3410, 3630, 3652, 3751, 4092, 4565, 4980, 5115, 5146, 5478, 6820, 7260, 7502, 7719, 9130, 10043, 10230, 10292, 10956, 11253, 12865, 13695, 15004, 15438, 18260, 18755, 20086, 20460, 22506, 25730, 27390, 28303, 30129, 30876, 37510, 38595, 40172, 45012, 50215, 51460, 54780, 56265, 56606, 60258, 75020, 77190, 84909, 100430, 112530, 113212, 120516, 141515, 150645, 154380, 169818, 200860, 225060, 283030, 301290, 311333, 339636, 424545, 566060, 602580, 622666, 849090, 933999, 1245332, 1556665, 1698180, 1867998, 3113330, 3735996, 4669995, 6226660, 9339990, 18679980]

約数ペア:

[(1, 18679980), (2, 9339990), (3, 6226660), (4, 4669995), (5, 3735996), (6, 3113330), (10, 1867998), (11, 1698180), (12, 1556665), (15, 1245332), (20, 933999), (22, 849090), (30, 622666), (31, 602580), (33, 566060), (44, 424545), (55, 339636), (60, 311333), (62, 301290), (66, 283030), (83, 225060), (93, 200860), (110, 169818), (121, 154380), (124, 150645), (132, 141515), (155, 120516), (165, 113212), (166, 112530), (186, 100430), (220, 84909), (242, 77190), (249, 75020), (310, 60258), (330, 56606), (332, 56265), (341, 54780), (363, 51460), (372, 50215), (415, 45012), (465, 40172), (484, 38595), (498, 37510), (605, 30876), (620, 30129), (660, 28303), (682, 27390), (726, 25730), (830, 22506), (913, 20460), (930, 20086), (996, 18755), (1023, 18260), (1210, 15438), (1245, 15004), (1364, 13695), (1452, 12865), (1660, 11253), (1705, 10956), (1815, 10292), (1826, 10230), (1860, 10043), (2046, 9130), (2420, 7719), (2490, 7502), (2573, 7260), (2739, 6820), (3410, 5478), (3630, 5146), (3652, 5115), (3751, 4980), (4092, 4565)]