15780821700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{1699}}^1\times {\mathrm{4423}}^1$

素因数の和:6146

約数の個数: 144

約数和(自身を含む): 52224435200

約数和(自身を除く): 36443613500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 1699, 2100, 3398, 4423, 5097, 6796, 8495, 8846, 10194, 11893, 13269, 16990, 17692, 20388, 22115, 23786, 25485, 26538, 30961, 33980, 35679, 42475, 44230, 47572, 50970, 53076, 59465, 61922, 66345, 71358, 84950, 88460, 92883, 101940, 110575, 118930, 123844, 127425, 132690, 142716, 154805, 169900, 178395, 185766, 221150, 237860, 254850, 265380, 297325, 309610, 331725, 356790, 371532, 442300, 464415, 509700, 594650, 619220, 663450, 713580, 774025, 891975, 928830, 1189300, 1326900, 1548050, 1783950, 1857660, 2322075, 3096100, 3567900, 4644150, 7514677, 9288300, 15029354, 22544031, 30058708, 37573385, 45088062, 52602739, 75146770, 90176124, 105205478, 112720155, 150293540, 157808217, 187866925, 210410956, 225440310, 263013695, 315616434, 375733850, 450880620, 526027390, 563600775, 631232868, 751467700, 789041085, 1052054780, 1127201550, 1315068475, 1578082170, 2254403100, 2630136950, 3156164340, 3945205425, 5260273900, 7890410850, 15780821700]

約数ペア:

[(1, 15780821700), (2, 7890410850), (3, 5260273900), (4, 3945205425), (5, 3156164340), (6, 2630136950), (7, 2254403100), (10, 1578082170), (12, 1315068475), (14, 1127201550), (15, 1052054780), (20, 789041085), (21, 751467700), (25, 631232868), (28, 563600775), (30, 526027390), (35, 450880620), (42, 375733850), (50, 315616434), (60, 263013695), (70, 225440310), (75, 210410956), (84, 187866925), (100, 157808217), (105, 150293540), (140, 112720155), (150, 105205478), (175, 90176124), (210, 75146770), (300, 52602739), (350, 45088062), (420, 37573385), (525, 30058708), (700, 22544031), (1050, 15029354), (1699, 9288300), (2100, 7514677), (3398, 4644150), (4423, 3567900), (5097, 3096100), (6796, 2322075), (8495, 1857660), (8846, 1783950), (10194, 1548050), (11893, 1326900), (13269, 1189300), (16990, 928830), (17692, 891975), (20388, 774025), (22115, 713580), (23786, 663450), (25485, 619220), (26538, 594650), (30961, 509700), (33980, 464415), (35679, 442300), (42475, 371532), (44230, 356790), (47572, 331725), (50970, 309610), (53076, 297325), (59465, 265380), (61922, 254850), (66345, 237860), (71358, 221150), (84950, 185766), (88460, 178395), (92883, 169900), (101940, 154805), (110575, 142716), (118930, 132690), (123844, 127425)]