90067980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 277885440

約数和(自身を除く): 187817460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 47, 57, 60, 76, 82, 94, 95, 114, 123, 141, 164, 188, 190, 205, 228, 235, 246, 282, 285, 380, 410, 470, 492, 564, 570, 615, 705, 779, 820, 893, 940, 1140, 1230, 1410, 1558, 1681, 1786, 1927, 2337, 2460, 2679, 2820, 3116, 3362, 3572, 3854, 3895, 4465, 4674, 5043, 5358, 5781, 6724, 7708, 7790, 8405, 8930, 9348, 9635, 10086, 10716, 11562, 11685, 13395, 15580, 16810, 17860, 19270, 20172, 23124, 23370, 25215, 26790, 28905, 31939, 33620, 36613, 38540, 46740, 50430, 53580, 57810, 63878, 73226, 79007, 95817, 100860, 109839, 115620, 127756, 146452, 158014, 159695, 183065, 191634, 219678, 237021, 316028, 319390, 366130, 383268, 395035, 439356, 474042, 479085, 549195, 638780, 732260, 790070, 948084, 958170, 1098390, 1185105, 1501133, 1580140, 1916340, 2196780, 2370210, 3002266, 4503399, 4740420, 6004532, 7505665, 9006798, 15011330, 18013596, 22516995, 30022660, 45033990, 90067980]

約数ペア:

[(1, 90067980), (2, 45033990), (3, 30022660), (4, 22516995), (5, 18013596), (6, 15011330), (10, 9006798), (12, 7505665), (15, 6004532), (19, 4740420), (20, 4503399), (30, 3002266), (38, 2370210), (41, 2196780), (47, 1916340), (57, 1580140), (60, 1501133), (76, 1185105), (82, 1098390), (94, 958170), (95, 948084), (114, 790070), (123, 732260), (141, 638780), (164, 549195), (188, 479085), (190, 474042), (205, 439356), (228, 395035), (235, 383268), (246, 366130), (282, 319390), (285, 316028), (380, 237021), (410, 219678), (470, 191634), (492, 183065), (564, 159695), (570, 158014), (615, 146452), (705, 127756), (779, 115620), (820, 109839), (893, 100860), (940, 95817), (1140, 79007), (1230, 73226), (1410, 63878), (1558, 57810), (1681, 53580), (1786, 50430), (1927, 46740), (2337, 38540), (2460, 36613), (2679, 33620), (2820, 31939), (3116, 28905), (3362, 26790), (3572, 25215), (3854, 23370), (3895, 23124), (4465, 20172), (4674, 19270), (5043, 17860), (5358, 16810), (5781, 15580), (6724, 13395), (7708, 11685), (7790, 11562), (8405, 10716), (8930, 10086), (9348, 9635)]