261686100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3994

約数の個数: 144

約数和(自身を含む): 863569728

約数和(自身を除く): 601883628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 325, 340, 390, 425, 442, 510, 650, 663, 780, 850, 884, 975, 1020, 1105, 1275, 1300, 1326, 1700, 1950, 2210, 2550, 2652, 3315, 3900, 3947, 4420, 5100, 5525, 6630, 7894, 11050, 11841, 13260, 15788, 16575, 19735, 22100, 23682, 33150, 39470, 47364, 51311, 59205, 66300, 67099, 78940, 98675, 102622, 118410, 134198, 153933, 197350, 201297, 205244, 236820, 256555, 268396, 296025, 307866, 335495, 394700, 402594, 513110, 592050, 615732, 670990, 769665, 805188, 872287, 1006485, 1026220, 1184100, 1282775, 1341980, 1539330, 1677475, 1744574, 2012970, 2565550, 2616861, 3078660, 3354950, 3489148, 3848325, 4025940, 4361435, 5032425, 5131100, 5233722, 6709900, 7696650, 8722870, 10064850, 10467444, 13084305, 15393300, 17445740, 20129700, 21807175, 26168610, 43614350, 52337220, 65421525, 87228700, 130843050, 261686100]

約数ペア:

[(1, 261686100), (2, 130843050), (3, 87228700), (4, 65421525), (5, 52337220), (6, 43614350), (10, 26168610), (12, 21807175), (13, 20129700), (15, 17445740), (17, 15393300), (20, 13084305), (25, 10467444), (26, 10064850), (30, 8722870), (34, 7696650), (39, 6709900), (50, 5233722), (51, 5131100), (52, 5032425), (60, 4361435), (65, 4025940), (68, 3848325), (75, 3489148), (78, 3354950), (85, 3078660), (100, 2616861), (102, 2565550), (130, 2012970), (150, 1744574), (156, 1677475), (170, 1539330), (195, 1341980), (204, 1282775), (221, 1184100), (255, 1026220), (260, 1006485), (300, 872287), (325, 805188), (340, 769665), (390, 670990), (425, 615732), (442, 592050), (510, 513110), (650, 402594), (663, 394700), (780, 335495), (850, 307866), (884, 296025), (975, 268396), (1020, 256555), (1105, 236820), (1275, 205244), (1300, 201297), (1326, 197350), (1700, 153933), (1950, 134198), (2210, 118410), (2550, 102622), (2652, 98675), (3315, 78940), (3900, 67099), (3947, 66300), (4420, 59205), (5100, 51311), (5525, 47364), (6630, 39470), (7894, 33150), (11050, 23682), (11841, 22100), (13260, 19735), (15788, 16575)]