28797840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 105850368

約数和(自身を除く): 77052528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 47, 48, 60, 69, 72, 74, 80, 90, 92, 94, 111, 115, 120, 138, 141, 144, 148, 180, 184, 185, 188, 207, 222, 230, 235, 240, 276, 282, 296, 333, 345, 360, 368, 370, 376, 414, 423, 444, 460, 470, 552, 555, 564, 592, 666, 690, 705, 720, 740, 752, 828, 846, 851, 888, 920, 940, 1035, 1081, 1104, 1110, 1128, 1332, 1380, 1410, 1480, 1656, 1665, 1692, 1702, 1739, 1776, 1840, 1880, 2070, 2115, 2162, 2220, 2256, 2553, 2664, 2760, 2820, 2960, 3243, 3312, 3330, 3384, 3404, 3478, 3760, 4140, 4230, 4255, 4324, 4440, 5106, 5217, 5328, 5405, 5520, 5640, 6486, 6660, 6768, 6808, 6956, 7659, 8280, 8460, 8510, 8648, 8695, 8880, 9729, 10212, 10434, 10810, 11280, 12765, 12972, 13320, 13616, 13912, 15318, 15651, 16215, 16560, 16920, 17020, 17296, 17390, 19458, 20424, 20868, 21620, 25530, 25944, 26085, 26640, 27824, 30636, 31302, 32430, 33840, 34040, 34780, 38295, 38916, 39997, 40848, 41736, 43240, 48645, 51060, 51888, 52170, 61272, 62604, 64860, 68080, 69560, 76590, 77832, 78255, 79994, 83472, 86480, 97290, 102120, 104340, 119991, 122544, 125208, 129720, 139120, 153180, 155664, 156510, 159988, 194580, 199985, 204240, 208680, 239982, 250416, 259440, 306360, 313020, 319976, 359973, 389160, 399970, 417360, 479964, 599955, 612720, 626040, 639952, 719946, 778320, 799940, 959928, 1199910, 1252080, 1439892, 1599880, 1799865, 1919856, 2399820, 2879784, 3199760, 3599730, 4799640, 5759568, 7199460, 9599280, 14398920, 28797840]

約数ペア:

[(1, 28797840), (2, 14398920), (3, 9599280), (4, 7199460), (5, 5759568), (6, 4799640), (8, 3599730), (9, 3199760), (10, 2879784), (12, 2399820), (15, 1919856), (16, 1799865), (18, 1599880), (20, 1439892), (23, 1252080), (24, 1199910), (30, 959928), (36, 799940), (37, 778320), (40, 719946), (45, 639952), (46, 626040), (47, 612720), (48, 599955), (60, 479964), (69, 417360), (72, 399970), (74, 389160), (80, 359973), (90, 319976), (92, 313020), (94, 306360), (111, 259440), (115, 250416), (120, 239982), (138, 208680), (141, 204240), (144, 199985), (148, 194580), (180, 159988), (184, 156510), (185, 155664), (188, 153180), (207, 139120), (222, 129720), (230, 125208), (235, 122544), (240, 119991), (276, 104340), (282, 102120), (296, 97290), (333, 86480), (345, 83472), (360, 79994), (368, 78255), (370, 77832), (376, 76590), (414, 69560), (423, 68080), (444, 64860), (460, 62604), (470, 61272), (552, 52170), (555, 51888), (564, 51060), (592, 48645), (666, 43240), (690, 41736), (705, 40848), (720, 39997), (740, 38916), (752, 38295), (828, 34780), (846, 34040), (851, 33840), (888, 32430), (920, 31302), (940, 30636), (1035, 27824), (1081, 26640), (1104, 26085), (1110, 25944), (1128, 25530), (1332, 21620), (1380, 20868), (1410, 20424), (1480, 19458), (1656, 17390), (1665, 17296), (1692, 17020), (1702, 16920), (1739, 16560), (1776, 16215), (1840, 15651), (1880, 15318), (2070, 13912), (2115, 13616), (2162, 13320), (2220, 12972), (2256, 12765), (2553, 11280), (2664, 10810), (2760, 10434), (2820, 10212), (2960, 9729), (3243, 8880), (3312, 8695), (3330, 8648), (3384, 8510), (3404, 8460), (3478, 8280), (3760, 7659), (4140, 6956), (4230, 6808), (4255, 6768), (4324, 6660), (4440, 6486), (5106, 5640), (5217, 5520), (5328, 5405)]