38847780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 127807680

約数和(自身を除く): 88959900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 307, 333, 342, 370, 380, 444, 555, 570, 614, 666, 684, 703, 740, 855, 921, 1110, 1140, 1228, 1332, 1406, 1535, 1665, 1710, 1842, 2109, 2220, 2763, 2812, 3070, 3330, 3420, 3515, 3684, 4218, 4605, 5526, 5833, 6140, 6327, 6660, 7030, 8436, 9210, 10545, 11052, 11359, 11666, 12654, 13815, 14060, 17499, 18420, 21090, 22718, 23332, 25308, 27630, 29165, 31635, 34077, 34998, 42180, 45436, 52497, 55260, 56795, 58330, 63270, 68154, 69996, 87495, 102231, 104994, 113590, 116660, 126540, 136308, 170385, 174990, 204462, 209988, 215821, 227180, 262485, 340770, 349980, 408924, 431642, 511155, 524970, 647463, 681540, 863284, 1022310, 1049940, 1079105, 1294926, 1942389, 2044620, 2158210, 2589852, 3237315, 3884778, 4316420, 6474630, 7769556, 9711945, 12949260, 19423890, 38847780]

約数ペア:

[(1, 38847780), (2, 19423890), (3, 12949260), (4, 9711945), (5, 7769556), (6, 6474630), (9, 4316420), (10, 3884778), (12, 3237315), (15, 2589852), (18, 2158210), (19, 2044620), (20, 1942389), (30, 1294926), (36, 1079105), (37, 1049940), (38, 1022310), (45, 863284), (57, 681540), (60, 647463), (74, 524970), (76, 511155), (90, 431642), (95, 408924), (111, 349980), (114, 340770), (148, 262485), (171, 227180), (180, 215821), (185, 209988), (190, 204462), (222, 174990), (228, 170385), (285, 136308), (307, 126540), (333, 116660), (342, 113590), (370, 104994), (380, 102231), (444, 87495), (555, 69996), (570, 68154), (614, 63270), (666, 58330), (684, 56795), (703, 55260), (740, 52497), (855, 45436), (921, 42180), (1110, 34998), (1140, 34077), (1228, 31635), (1332, 29165), (1406, 27630), (1535, 25308), (1665, 23332), (1710, 22718), (1842, 21090), (2109, 18420), (2220, 17499), (2763, 14060), (2812, 13815), (3070, 12654), (3330, 11666), (3420, 11359), (3515, 11052), (3684, 10545), (4218, 9210), (4605, 8436), (5526, 7030), (5833, 6660), (6140, 6327)]