648847360

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 224

約数和(自身を含む): 1862157312

約数和(自身を除く): 1213309952

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, 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, 90520, 93440, 111104, 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, 523264, 555520, 579328, 598016, 633640, 634880, 654080, 724160, 747520, 888832, 1013824, 1046528, 1111040, 1158656, 1267280, 1269760, 1308160, 1448320, 1495040, 1777664, 2027648, 2093056, 2222080, 2317312, 2534560, 2616320, 2896640, 2990080, 4055296, 4186112, 4444160, 4634624, 5069120, 5232640, 5793280, 8110592, 8888320, 9269248, 10138240, 10465280, 11586560, 16221184, 18538496, 20276480, 20930560, 23173120, 32442368, 40552960, 46346240, 64884736, 81105920, 92692480, 129769472, 162211840, 324423680, 648847360]

約数ペア:

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