30420780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 93967104

約数和(自身を除く): 63546324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 907, 1118, 1290, 1677, 1814, 2236, 2580, 2721, 2795, 3354, 3628, 4535, 5442, 5590, 6708, 8385, 9070, 10884, 11180, 11791, 13605, 16770, 18140, 23582, 27210, 33540, 35373, 39001, 47164, 54420, 58955, 70746, 78002, 117003, 117910, 141492, 156004, 176865, 195005, 234006, 235820, 353730, 390010, 468012, 507013, 585015, 707460, 780020, 1014026, 1170030, 1521039, 2028052, 2340060, 2535065, 3042078, 5070130, 6084156, 7605195, 10140260, 15210390, 30420780]

約数ペア:

[(1, 30420780), (2, 15210390), (3, 10140260), (4, 7605195), (5, 6084156), (6, 5070130), (10, 3042078), (12, 2535065), (13, 2340060), (15, 2028052), (20, 1521039), (26, 1170030), (30, 1014026), (39, 780020), (43, 707460), (52, 585015), (60, 507013), (65, 468012), (78, 390010), (86, 353730), (129, 235820), (130, 234006), (156, 195005), (172, 176865), (195, 156004), (215, 141492), (258, 117910), (260, 117003), (390, 78002), (430, 70746), (516, 58955), (559, 54420), (645, 47164), (780, 39001), (860, 35373), (907, 33540), (1118, 27210), (1290, 23582), (1677, 18140), (1814, 16770), (2236, 13605), (2580, 11791), (2721, 11180), (2795, 10884), (3354, 9070), (3628, 8385), (4535, 6708), (5442, 5590)]