74781840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6359}}^1$

素因数の和:6389

約数の個数: 120

約数和(自身を含む): 269714880

約数和(自身を除く): 194933040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 6359, 11760, 12718, 19077, 25436, 31795, 38154, 44513, 50872, 63590, 76308, 89026, 95385, 101744, 127180, 133539, 152616, 178052, 190770, 222565, 254360, 267078, 305232, 311591, 356104, 381540, 445130, 508720, 534156, 623182, 667695, 712208, 763080, 890260, 934773, 1068312, 1246364, 1335390, 1526160, 1557955, 1780520, 1869546, 2136624, 2492728, 2670780, 3115910, 3561040, 3739092, 4673865, 4985456, 5341560, 6231820, 7478184, 9347730, 10683120, 12463640, 14956368, 18695460, 24927280, 37390920, 74781840]

約数ペア:

[(1, 74781840), (2, 37390920), (3, 24927280), (4, 18695460), (5, 14956368), (6, 12463640), (7, 10683120), (8, 9347730), (10, 7478184), (12, 6231820), (14, 5341560), (15, 4985456), (16, 4673865), (20, 3739092), (21, 3561040), (24, 3115910), (28, 2670780), (30, 2492728), (35, 2136624), (40, 1869546), (42, 1780520), (48, 1557955), (49, 1526160), (56, 1335390), (60, 1246364), (70, 1068312), (80, 934773), (84, 890260), (98, 763080), (105, 712208), (112, 667695), (120, 623182), (140, 534156), (147, 508720), (168, 445130), (196, 381540), (210, 356104), (240, 311591), (245, 305232), (280, 267078), (294, 254360), (336, 222565), (392, 190770), (420, 178052), (490, 152616), (560, 133539), (588, 127180), (735, 101744), (784, 95385), (840, 89026), (980, 76308), (1176, 63590), (1470, 50872), (1680, 44513), (1960, 38154), (2352, 31795), (2940, 25436), (3920, 19077), (5880, 12718), (6359, 11760)]