38157280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 108936576

約数和(自身を除く): 70779296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 157, 160, 196, 217, 224, 245, 248, 280, 310, 314, 392, 434, 490, 496, 560, 620, 628, 784, 785, 868, 980, 992, 1085, 1099, 1120, 1240, 1256, 1519, 1568, 1570, 1736, 1960, 2170, 2198, 2480, 2512, 3038, 3140, 3472, 3920, 4340, 4396, 4867, 4960, 5024, 5495, 6076, 6280, 6944, 7595, 7693, 7840, 8680, 8792, 9734, 10990, 12152, 12560, 15190, 15386, 17360, 17584, 19468, 21980, 24304, 24335, 25120, 30380, 30772, 34069, 34720, 35168, 38465, 38936, 43960, 48608, 48670, 60760, 61544, 68138, 76930, 77872, 87920, 97340, 121520, 123088, 136276, 153860, 155744, 170345, 175840, 194680, 238483, 243040, 246176, 272552, 307720, 340690, 389360, 476966, 545104, 615440, 681380, 778720, 953932, 1090208, 1192415, 1230880, 1362760, 1907864, 2384830, 2725520, 3815728, 4769660, 5451040, 7631456, 9539320, 19078640, 38157280]

約数ペア:

[(1, 38157280), (2, 19078640), (4, 9539320), (5, 7631456), (7, 5451040), (8, 4769660), (10, 3815728), (14, 2725520), (16, 2384830), (20, 1907864), (28, 1362760), (31, 1230880), (32, 1192415), (35, 1090208), (40, 953932), (49, 778720), (56, 681380), (62, 615440), (70, 545104), (80, 476966), (98, 389360), (112, 340690), (124, 307720), (140, 272552), (155, 246176), (157, 243040), (160, 238483), (196, 194680), (217, 175840), (224, 170345), (245, 155744), (248, 153860), (280, 136276), (310, 123088), (314, 121520), (392, 97340), (434, 87920), (490, 77872), (496, 76930), (560, 68138), (620, 61544), (628, 60760), (784, 48670), (785, 48608), (868, 43960), (980, 38936), (992, 38465), (1085, 35168), (1099, 34720), (1120, 34069), (1240, 30772), (1256, 30380), (1519, 25120), (1568, 24335), (1570, 24304), (1736, 21980), (1960, 19468), (2170, 17584), (2198, 17360), (2480, 15386), (2512, 15190), (3038, 12560), (3140, 12152), (3472, 10990), (3920, 9734), (4340, 8792), (4396, 8680), (4867, 7840), (4960, 7693), (5024, 7595), (5495, 6944), (6076, 6280)]