28615020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9733}}^1$

素因数の和:9759

約数の個数: 72

約数和(自身を含む): 93212784

約数和(自身を除く): 64597764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9733, 19466, 29199, 38932, 48665, 58398, 68131, 97330, 116796, 136262, 145995, 194660, 204393, 272524, 291990, 340655, 408786, 476917, 583980, 681310, 817572, 953834, 1021965, 1362620, 1430751, 1907668, 2043930, 2384585, 2861502, 4087860, 4769170, 5723004, 7153755, 9538340, 14307510, 28615020]

約数ペア:

[(1, 28615020), (2, 14307510), (3, 9538340), (4, 7153755), (5, 5723004), (6, 4769170), (7, 4087860), (10, 2861502), (12, 2384585), (14, 2043930), (15, 1907668), (20, 1430751), (21, 1362620), (28, 1021965), (30, 953834), (35, 817572), (42, 681310), (49, 583980), (60, 476917), (70, 408786), (84, 340655), (98, 291990), (105, 272524), (140, 204393), (147, 194660), (196, 145995), (210, 136262), (245, 116796), (294, 97330), (420, 68131), (490, 58398), (588, 48665), (735, 38932), (980, 29199), (1470, 19466), (2940, 9733)]