1297694720

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 3724428288

約数和(自身を除く): 2426733568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 112, 124, 128, 140, 146, 155, 160, 217, 224, 248, 256, 280, 292, 310, 320, 365, 434, 448, 496, 511, 512, 560, 584, 620, 640, 730, 868, 896, 992, 1022, 1024, 1085, 1120, 1168, 1240, 1280, 1460, 1736, 1792, 1984, 2044, 2048, 2170, 2240, 2263, 2336, 2480, 2555, 2560, 2920, 3472, 3584, 3968, 4088, 4096, 4340, 4480, 4526, 4672, 4960, 5110, 5120, 5840, 6944, 7168, 7936, 8176, 8192, 8680, 8960, 9052, 9344, 9920, 10220, 10240, 11315, 11680, 13888, 14336, 15841, 15872, 16352, 16384, 17360, 17920, 18104, 18688, 19840, 20440, 20480, 22630, 23360, 27776, 28672, 31682, 31744, 32704, 34720, 35840, 36208, 37376, 39680, 40880, 40960, 45260, 46720, 55552, 57344, 63364, 63488, 65408, 69440, 71680, 72416, 74752, 79205, 79360, 81760, 81920, 90520, 93440, 111104, 114688, 126728, 126976, 130816, 138880, 143360, 144832, 149504, 158410, 158720, 163520, 181040, 186880, 222208, 253456, 253952, 261632, 277760, 286720, 289664, 299008, 316820, 317440, 327040, 362080, 373760, 444416, 506912, 507904, 523264, 555520, 573440, 579328, 598016, 633640, 634880, 654080, 724160, 747520, 888832, 1013824, 1046528, 1111040, 1158656, 1196032, 1267280, 1269760, 1308160, 1448320, 1495040, 1777664, 2027648, 2093056, 2222080, 2317312, 2534560, 2539520, 2616320, 2896640, 2990080, 3555328, 4055296, 4186112, 4444160, 4634624, 5069120, 5232640, 5793280, 5980160, 8110592, 8372224, 8888320, 9269248, 10138240, 10465280, 11586560, 16221184, 17776640, 18538496, 20276480, 20930560, 23173120, 32442368, 37076992, 40552960, 41861120, 46346240, 64884736, 81105920, 92692480, 129769472, 162211840, 185384960, 259538944, 324423680, 648847360, 1297694720]

約数ペア:

[(1, 1297694720), (2, 648847360), (4, 324423680), (5, 259538944), (7, 185384960), (8, 162211840), (10, 129769472), (14, 92692480), (16, 81105920), (20, 64884736), (28, 46346240), (31, 41861120), (32, 40552960), (35, 37076992), (40, 32442368), (56, 23173120), (62, 20930560), (64, 20276480), (70, 18538496), (73, 17776640), (80, 16221184), (112, 11586560), (124, 10465280), (128, 10138240), (140, 9269248), (146, 8888320), (155, 8372224), (160, 8110592), (217, 5980160), (224, 5793280), (248, 5232640), (256, 5069120), (280, 4634624), (292, 4444160), (310, 4186112), (320, 4055296), (365, 3555328), (434, 2990080), (448, 2896640), (496, 2616320), (511, 2539520), (512, 2534560), (560, 2317312), (584, 2222080), (620, 2093056), (640, 2027648), (730, 1777664), (868, 1495040), (896, 1448320), (992, 1308160), (1022, 1269760), (1024, 1267280), (1085, 1196032), (1120, 1158656), (1168, 1111040), (1240, 1046528), (1280, 1013824), (1460, 888832), (1736, 747520), (1792, 724160), (1984, 654080), (2044, 634880), (2048, 633640), (2170, 598016), (2240, 579328), (2263, 573440), (2336, 555520), (2480, 523264), (2555, 507904), (2560, 506912), (2920, 444416), (3472, 373760), (3584, 362080), (3968, 327040), (4088, 317440), (4096, 316820), (4340, 299008), (4480, 289664), (4526, 286720), (4672, 277760), (4960, 261632), (5110, 253952), (5120, 253456), (5840, 222208), (6944, 186880), (7168, 181040), (7936, 163520), (8176, 158720), (8192, 158410), (8680, 149504), (8960, 144832), (9052, 143360), (9344, 138880), (9920, 130816), (10220, 126976), (10240, 126728), (11315, 114688), (11680, 111104), (13888, 93440), (14336, 90520), (15841, 81920), (15872, 81760), (16352, 79360), (16384, 79205), (17360, 74752), (17920, 72416), (18104, 71680), (18688, 69440), (19840, 65408), (20440, 63488), (20480, 63364), (22630, 57344), (23360, 55552), (27776, 46720), (28672, 45260), (31682, 40960), (31744, 40880), (32704, 39680), (34720, 37376), (35840, 36208)]