30887220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5657}}^1$

素因数の和:5689

約数の個数: 96

約数和(自身を含む): 106460928

約数和(自身を除く): 75573708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 5657, 11314, 16971, 22628, 28285, 33942, 39599, 56570, 67884, 73541, 79198, 84855, 113140, 118797, 147082, 158396, 169710, 197995, 220623, 237594, 294164, 339420, 367705, 395990, 441246, 475188, 514787, 593985, 735410, 791980, 882492, 1029574, 1103115, 1187970, 1470820, 1544361, 2059148, 2206230, 2375940, 2573935, 3088722, 4412460, 5147870, 6177444, 7721805, 10295740, 15443610, 30887220]

約数ペア:

[(1, 30887220), (2, 15443610), (3, 10295740), (4, 7721805), (5, 6177444), (6, 5147870), (7, 4412460), (10, 3088722), (12, 2573935), (13, 2375940), (14, 2206230), (15, 2059148), (20, 1544361), (21, 1470820), (26, 1187970), (28, 1103115), (30, 1029574), (35, 882492), (39, 791980), (42, 735410), (52, 593985), (60, 514787), (65, 475188), (70, 441246), (78, 395990), (84, 367705), (91, 339420), (105, 294164), (130, 237594), (140, 220623), (156, 197995), (182, 169710), (195, 158396), (210, 147082), (260, 118797), (273, 113140), (364, 84855), (390, 79198), (420, 73541), (455, 67884), (546, 56570), (780, 39599), (910, 33942), (1092, 28285), (1365, 22628), (1820, 16971), (2730, 11314), (5460, 5657)]