15757740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 50494752

約数和(自身を除く): 34737012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 137, 142, 162, 180, 213, 270, 274, 284, 324, 355, 405, 411, 426, 540, 548, 639, 685, 710, 810, 822, 852, 1065, 1233, 1278, 1370, 1420, 1620, 1644, 1917, 2055, 2130, 2466, 2556, 2740, 3195, 3699, 3834, 4110, 4260, 4932, 5751, 6165, 6390, 7398, 7668, 8220, 9585, 9727, 11097, 11502, 12330, 12780, 14796, 18495, 19170, 19454, 22194, 23004, 24660, 28755, 29181, 36990, 38340, 38908, 44388, 48635, 55485, 57510, 58362, 73980, 87543, 97270, 110970, 115020, 116724, 145905, 175086, 194540, 221940, 262629, 291810, 350172, 437715, 525258, 583620, 787887, 875430, 1050516, 1313145, 1575774, 1750860, 2626290, 3151548, 3939435, 5252580, 7878870, 15757740]

約数ペア:

[(1, 15757740), (2, 7878870), (3, 5252580), (4, 3939435), (5, 3151548), (6, 2626290), (9, 1750860), (10, 1575774), (12, 1313145), (15, 1050516), (18, 875430), (20, 787887), (27, 583620), (30, 525258), (36, 437715), (45, 350172), (54, 291810), (60, 262629), (71, 221940), (81, 194540), (90, 175086), (108, 145905), (135, 116724), (137, 115020), (142, 110970), (162, 97270), (180, 87543), (213, 73980), (270, 58362), (274, 57510), (284, 55485), (324, 48635), (355, 44388), (405, 38908), (411, 38340), (426, 36990), (540, 29181), (548, 28755), (639, 24660), (685, 23004), (710, 22194), (810, 19454), (822, 19170), (852, 18495), (1065, 14796), (1233, 12780), (1278, 12330), (1370, 11502), (1420, 11097), (1620, 9727), (1644, 9585), (1917, 8220), (2055, 7668), (2130, 7398), (2466, 6390), (2556, 6165), (2740, 5751), (3195, 4932), (3699, 4260), (3834, 4110)]