18397440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1597}}^1$

素因数の和:1624

約数の個数: 108

約数和(自身を含む): 63693084

約数和(自身を除く): 45295644

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1597, 1920, 2304, 2880, 3194, 3840, 4791, 5760, 6388, 7985, 9582, 11520, 12776, 14373, 15970, 19164, 23955, 25552, 28746, 31940, 38328, 47910, 51104, 57492, 63880, 71865, 76656, 95820, 102208, 114984, 127760, 143730, 153312, 191640, 204416, 229968, 255520, 287460, 306624, 383280, 408832, 459936, 511040, 574920, 613248, 766560, 919872, 1022080, 1149840, 1226496, 1533120, 1839744, 2044160, 2299680, 3066240, 3679488, 4599360, 6132480, 9198720, 18397440]

約数ペア:

[(1, 18397440), (2, 9198720), (3, 6132480), (4, 4599360), (5, 3679488), (6, 3066240), (8, 2299680), (9, 2044160), (10, 1839744), (12, 1533120), (15, 1226496), (16, 1149840), (18, 1022080), (20, 919872), (24, 766560), (30, 613248), (32, 574920), (36, 511040), (40, 459936), (45, 408832), (48, 383280), (60, 306624), (64, 287460), (72, 255520), (80, 229968), (90, 204416), (96, 191640), (120, 153312), (128, 143730), (144, 127760), (160, 114984), (180, 102208), (192, 95820), (240, 76656), (256, 71865), (288, 63880), (320, 57492), (360, 51104), (384, 47910), (480, 38328), (576, 31940), (640, 28746), (720, 25552), (768, 23955), (960, 19164), (1152, 15970), (1280, 14373), (1440, 12776), (1597, 11520), (1920, 9582), (2304, 7985), (2880, 6388), (3194, 5760), (3840, 4791)]