38639640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 139345920

約数和(自身を除く): 100706280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 47, 51, 52, 60, 62, 65, 68, 78, 85, 93, 94, 102, 104, 120, 124, 130, 136, 141, 155, 156, 170, 186, 188, 195, 204, 221, 235, 248, 255, 260, 282, 310, 312, 340, 372, 376, 390, 403, 408, 442, 465, 470, 510, 520, 527, 564, 611, 620, 663, 680, 705, 744, 780, 799, 806, 884, 930, 940, 1020, 1054, 1105, 1128, 1209, 1222, 1240, 1326, 1410, 1457, 1560, 1581, 1598, 1612, 1768, 1833, 1860, 1880, 2015, 2040, 2108, 2210, 2397, 2418, 2444, 2635, 2652, 2820, 2914, 3055, 3162, 3196, 3224, 3315, 3666, 3720, 3995, 4030, 4216, 4371, 4420, 4794, 4836, 4888, 5270, 5304, 5640, 5828, 6045, 6110, 6324, 6392, 6630, 6851, 7285, 7332, 7905, 7990, 8060, 8742, 8840, 9165, 9588, 9672, 10387, 10540, 11656, 11985, 12090, 12220, 12648, 13260, 13702, 14570, 14664, 15810, 15980, 16120, 17484, 18330, 18941, 19176, 20553, 20774, 21080, 21855, 23970, 24180, 24440, 24769, 26520, 27404, 29140, 31161, 31620, 31960, 34255, 34968, 36660, 37882, 41106, 41548, 43710, 47940, 48360, 49538, 51935, 54808, 56823, 58280, 62322, 63240, 68510, 73320, 74307, 75764, 82212, 83096, 87420, 94705, 95880, 99076, 102765, 103870, 113646, 123845, 124644, 137020, 148614, 151528, 155805, 164424, 174840, 189410, 198152, 205530, 207740, 227292, 247690, 249288, 274040, 284115, 297228, 311610, 321997, 371535, 378820, 411060, 415480, 454584, 495380, 568230, 594456, 623220, 643994, 743070, 757640, 822120, 965991, 990760, 1136460, 1246440, 1287988, 1486140, 1609985, 1931982, 2272920, 2575976, 2972280, 3219970, 3863964, 4829955, 6439940, 7727928, 9659910, 12879880, 19319820, 38639640]

約数ペア:

[(1, 38639640), (2, 19319820), (3, 12879880), (4, 9659910), (5, 7727928), (6, 6439940), (8, 4829955), (10, 3863964), (12, 3219970), (13, 2972280), (15, 2575976), (17, 2272920), (20, 1931982), (24, 1609985), (26, 1486140), (30, 1287988), (31, 1246440), (34, 1136460), (39, 990760), (40, 965991), (47, 822120), (51, 757640), (52, 743070), (60, 643994), (62, 623220), (65, 594456), (68, 568230), (78, 495380), (85, 454584), (93, 415480), (94, 411060), (102, 378820), (104, 371535), (120, 321997), (124, 311610), (130, 297228), (136, 284115), (141, 274040), (155, 249288), (156, 247690), (170, 227292), (186, 207740), (188, 205530), (195, 198152), (204, 189410), (221, 174840), (235, 164424), (248, 155805), (255, 151528), (260, 148614), (282, 137020), (310, 124644), (312, 123845), (340, 113646), (372, 103870), (376, 102765), (390, 99076), (403, 95880), (408, 94705), (442, 87420), (465, 83096), (470, 82212), (510, 75764), (520, 74307), (527, 73320), (564, 68510), (611, 63240), (620, 62322), (663, 58280), (680, 56823), (705, 54808), (744, 51935), (780, 49538), (799, 48360), (806, 47940), (884, 43710), (930, 41548), (940, 41106), (1020, 37882), (1054, 36660), (1105, 34968), (1128, 34255), (1209, 31960), (1222, 31620), (1240, 31161), (1326, 29140), (1410, 27404), (1457, 26520), (1560, 24769), (1581, 24440), (1598, 24180), (1612, 23970), (1768, 21855), (1833, 21080), (1860, 20774), (1880, 20553), (2015, 19176), (2040, 18941), (2108, 18330), (2210, 17484), (2397, 16120), (2418, 15980), (2444, 15810), (2635, 14664), (2652, 14570), (2820, 13702), (2914, 13260), (3055, 12648), (3162, 12220), (3196, 12090), (3224, 11985), (3315, 11656), (3666, 10540), (3720, 10387), (3995, 9672), (4030, 9588), (4216, 9165), (4371, 8840), (4420, 8742), (4794, 8060), (4836, 7990), (4888, 7905), (5270, 7332), (5304, 7285), (5640, 6851), (5828, 6630), (6045, 6392), (6110, 6324)]