28094640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2389}}^1$

素因数の和:2419

約数の個数: 120

約数和(自身を含む): 101355120

約数和(自身を除く): 73260480

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, 2389, 2940, 3920, 4778, 5880, 7167, 9556, 11760, 11945, 14334, 16723, 19112, 23890, 28668, 33446, 35835, 38224, 47780, 50169, 57336, 66892, 71670, 83615, 95560, 100338, 114672, 117061, 133784, 143340, 167230, 191120, 200676, 234122, 250845, 267568, 286680, 334460, 351183, 401352, 468244, 501690, 573360, 585305, 668920, 702366, 802704, 936488, 1003380, 1170610, 1337840, 1404732, 1755915, 1872976, 2006760, 2341220, 2809464, 3511830, 4013520, 4682440, 5618928, 7023660, 9364880, 14047320, 28094640]

約数ペア:

[(1, 28094640), (2, 14047320), (3, 9364880), (4, 7023660), (5, 5618928), (6, 4682440), (7, 4013520), (8, 3511830), (10, 2809464), (12, 2341220), (14, 2006760), (15, 1872976), (16, 1755915), (20, 1404732), (21, 1337840), (24, 1170610), (28, 1003380), (30, 936488), (35, 802704), (40, 702366), (42, 668920), (48, 585305), (49, 573360), (56, 501690), (60, 468244), (70, 401352), (80, 351183), (84, 334460), (98, 286680), (105, 267568), (112, 250845), (120, 234122), (140, 200676), (147, 191120), (168, 167230), (196, 143340), (210, 133784), (240, 117061), (245, 114672), (280, 100338), (294, 95560), (336, 83615), (392, 71670), (420, 66892), (490, 57336), (560, 50169), (588, 47780), (735, 38224), (784, 35835), (840, 33446), (980, 28668), (1176, 23890), (1470, 19112), (1680, 16723), (1960, 14334), (2352, 11945), (2389, 11760), (2940, 9556), (3920, 7167), (4778, 5880)]