905338880

素因数分解:

$2^{13}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 168

約数和(自身を含む): 2342637936

約数和(自身を除く): 1437299056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 256, 310, 320, 368, 460, 496, 512, 620, 640, 713, 736, 920, 961, 992, 1024, 1240, 1280, 1426, 1472, 1840, 1922, 1984, 2048, 2480, 2560, 2852, 2944, 3565, 3680, 3844, 3968, 4096, 4805, 4960, 5120, 5704, 5888, 7130, 7360, 7688, 7936, 8192, 9610, 9920, 10240, 11408, 11776, 14260, 14720, 15376, 15872, 19220, 19840, 20480, 22103, 22816, 23552, 28520, 29440, 30752, 31744, 38440, 39680, 40960, 44206, 45632, 47104, 57040, 58880, 61504, 63488, 76880, 79360, 88412, 91264, 94208, 110515, 114080, 117760, 123008, 126976, 153760, 158720, 176824, 182528, 188416, 221030, 228160, 235520, 246016, 253952, 307520, 317440, 353648, 365056, 442060, 456320, 471040, 492032, 615040, 634880, 707296, 730112, 884120, 912640, 942080, 984064, 1230080, 1269760, 1414592, 1460224, 1768240, 1825280, 1968128, 2460160, 2829184, 2920448, 3536480, 3650560, 3936256, 4920320, 5658368, 5840896, 7072960, 7301120, 7872512, 9840640, 11316736, 14145920, 14602240, 19681280, 22633472, 28291840, 29204480, 39362560, 45266944, 56583680, 90533888, 113167360, 181067776, 226334720, 452669440, 905338880]

約数ペア:

[(1, 905338880), (2, 452669440), (4, 226334720), (5, 181067776), (8, 113167360), (10, 90533888), (16, 56583680), (20, 45266944), (23, 39362560), (31, 29204480), (32, 28291840), (40, 22633472), (46, 19681280), (62, 14602240), (64, 14145920), (80, 11316736), (92, 9840640), (115, 7872512), (124, 7301120), (128, 7072960), (155, 5840896), (160, 5658368), (184, 4920320), (230, 3936256), (248, 3650560), (256, 3536480), (310, 2920448), (320, 2829184), (368, 2460160), (460, 1968128), (496, 1825280), (512, 1768240), (620, 1460224), (640, 1414592), (713, 1269760), (736, 1230080), (920, 984064), (961, 942080), (992, 912640), (1024, 884120), (1240, 730112), (1280, 707296), (1426, 634880), (1472, 615040), (1840, 492032), (1922, 471040), (1984, 456320), (2048, 442060), (2480, 365056), (2560, 353648), (2852, 317440), (2944, 307520), (3565, 253952), (3680, 246016), (3844, 235520), (3968, 228160), (4096, 221030), (4805, 188416), (4960, 182528), (5120, 176824), (5704, 158720), (5888, 153760), (7130, 126976), (7360, 123008), (7688, 117760), (7936, 114080), (8192, 110515), (9610, 94208), (9920, 91264), (10240, 88412), (11408, 79360), (11776, 76880), (14260, 63488), (14720, 61504), (15376, 58880), (15872, 57040), (19220, 47104), (19840, 45632), (20480, 44206), (22103, 40960), (22816, 39680), (23552, 38440), (28520, 31744), (29440, 30752)]