242990720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:842

約数の個数: 128

約数和(自身を含む): 673885440

約数和(自身を除く): 430894720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 743, 896, 1022, 1120, 1168, 1460, 1486, 2044, 2240, 2336, 2555, 2920, 2972, 3715, 4088, 4480, 4672, 5110, 5201, 5840, 5944, 7430, 8176, 9344, 10220, 10402, 11680, 11888, 14860, 16352, 20440, 20804, 23360, 23776, 26005, 29720, 32704, 40880, 41608, 46720, 47552, 52010, 54239, 59440, 65408, 81760, 83216, 95104, 104020, 108478, 118880, 163520, 166432, 208040, 216956, 237760, 271195, 327040, 332864, 379673, 416080, 433912, 475520, 542390, 665728, 759346, 832160, 867824, 1084780, 1518692, 1664320, 1735648, 1898365, 2169560, 3037384, 3328640, 3471296, 3796730, 4339120, 6074768, 6942592, 7593460, 8678240, 12149536, 15186920, 17356480, 24299072, 30373840, 34712960, 48598144, 60747680, 121495360, 242990720]

約数ペア:

[(1, 242990720), (2, 121495360), (4, 60747680), (5, 48598144), (7, 34712960), (8, 30373840), (10, 24299072), (14, 17356480), (16, 15186920), (20, 12149536), (28, 8678240), (32, 7593460), (35, 6942592), (40, 6074768), (56, 4339120), (64, 3796730), (70, 3471296), (73, 3328640), (80, 3037384), (112, 2169560), (128, 1898365), (140, 1735648), (146, 1664320), (160, 1518692), (224, 1084780), (280, 867824), (292, 832160), (320, 759346), (365, 665728), (448, 542390), (511, 475520), (560, 433912), (584, 416080), (640, 379673), (730, 332864), (743, 327040), (896, 271195), (1022, 237760), (1120, 216956), (1168, 208040), (1460, 166432), (1486, 163520), (2044, 118880), (2240, 108478), (2336, 104020), (2555, 95104), (2920, 83216), (2972, 81760), (3715, 65408), (4088, 59440), (4480, 54239), (4672, 52010), (5110, 47552), (5201, 46720), (5840, 41608), (5944, 40880), (7430, 32704), (8176, 29720), (9344, 26005), (10220, 23776), (10402, 23360), (11680, 20804), (11888, 20440), (14860, 16352)]