40640430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 69675090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 41, 47, 57, 74, 82, 94, 95, 111, 114, 123, 141, 185, 190, 205, 222, 235, 246, 282, 285, 370, 410, 470, 555, 570, 615, 703, 705, 779, 893, 1110, 1230, 1406, 1410, 1517, 1558, 1739, 1786, 1927, 2109, 2337, 2679, 3034, 3478, 3515, 3854, 3895, 4218, 4465, 4551, 4674, 5217, 5358, 5781, 7030, 7585, 7790, 8695, 8930, 9102, 9635, 10434, 10545, 11562, 11685, 13395, 15170, 17390, 19270, 21090, 22755, 23370, 26085, 26790, 28823, 28905, 33041, 36613, 45510, 52170, 57646, 57810, 66082, 71299, 73226, 86469, 99123, 109839, 142598, 144115, 165205, 172938, 183065, 198246, 213897, 219678, 288230, 330410, 356495, 366130, 427794, 432345, 495615, 549195, 712990, 864690, 991230, 1069485, 1098390, 1354681, 2138970, 2709362, 4064043, 6773405, 8128086, 13546810, 20320215, 40640430]

約数ペア:

[(1, 40640430), (2, 20320215), (3, 13546810), (5, 8128086), (6, 6773405), (10, 4064043), (15, 2709362), (19, 2138970), (30, 1354681), (37, 1098390), (38, 1069485), (41, 991230), (47, 864690), (57, 712990), (74, 549195), (82, 495615), (94, 432345), (95, 427794), (111, 366130), (114, 356495), (123, 330410), (141, 288230), (185, 219678), (190, 213897), (205, 198246), (222, 183065), (235, 172938), (246, 165205), (282, 144115), (285, 142598), (370, 109839), (410, 99123), (470, 86469), (555, 73226), (570, 71299), (615, 66082), (703, 57810), (705, 57646), (779, 52170), (893, 45510), (1110, 36613), (1230, 33041), (1406, 28905), (1410, 28823), (1517, 26790), (1558, 26085), (1739, 23370), (1786, 22755), (1927, 21090), (2109, 19270), (2337, 17390), (2679, 15170), (3034, 13395), (3478, 11685), (3515, 11562), (3854, 10545), (3895, 10434), (4218, 9635), (4465, 9102), (4551, 8930), (4674, 8695), (5217, 7790), (5358, 7585), (5781, 7030)]