72226280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 196577280

約数和(自身を除く): 124351000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 157, 212, 217, 248, 265, 280, 310, 314, 371, 424, 434, 530, 620, 628, 742, 785, 868, 1060, 1085, 1099, 1240, 1256, 1484, 1570, 1643, 1736, 1855, 2120, 2170, 2198, 2968, 3140, 3286, 3710, 4340, 4396, 4867, 5495, 6280, 6572, 7420, 8215, 8321, 8680, 8792, 9734, 10990, 11501, 13144, 14840, 16430, 16642, 19468, 21980, 23002, 24335, 32860, 33284, 34069, 38936, 41605, 43960, 46004, 48670, 57505, 58247, 65720, 66568, 68138, 83210, 92008, 97340, 115010, 116494, 136276, 166420, 170345, 194680, 230020, 232988, 257951, 272552, 291235, 332840, 340690, 460040, 465976, 515902, 582470, 681380, 1031804, 1164940, 1289755, 1362760, 1805657, 2063608, 2329880, 2579510, 3611314, 5159020, 7222628, 9028285, 10318040, 14445256, 18056570, 36113140, 72226280]

約数ペア:

[(1, 72226280), (2, 36113140), (4, 18056570), (5, 14445256), (7, 10318040), (8, 9028285), (10, 7222628), (14, 5159020), (20, 3611314), (28, 2579510), (31, 2329880), (35, 2063608), (40, 1805657), (53, 1362760), (56, 1289755), (62, 1164940), (70, 1031804), (106, 681380), (124, 582470), (140, 515902), (155, 465976), (157, 460040), (212, 340690), (217, 332840), (248, 291235), (265, 272552), (280, 257951), (310, 232988), (314, 230020), (371, 194680), (424, 170345), (434, 166420), (530, 136276), (620, 116494), (628, 115010), (742, 97340), (785, 92008), (868, 83210), (1060, 68138), (1085, 66568), (1099, 65720), (1240, 58247), (1256, 57505), (1484, 48670), (1570, 46004), (1643, 43960), (1736, 41605), (1855, 38936), (2120, 34069), (2170, 33284), (2198, 32860), (2968, 24335), (3140, 23002), (3286, 21980), (3710, 19468), (4340, 16642), (4396, 16430), (4867, 14840), (5495, 13144), (6280, 11501), (6572, 10990), (7420, 9734), (8215, 8792), (8321, 8680)]