28097160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 256

約数和(自身を含む): 108380160

約数和(自身を除く): 80283000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 83, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 166, 168, 182, 186, 195, 210, 217, 248, 249, 260, 273, 280, 310, 312, 332, 364, 372, 390, 403, 415, 420, 434, 455, 465, 498, 520, 546, 581, 620, 651, 664, 728, 744, 780, 806, 830, 840, 868, 910, 930, 996, 1079, 1085, 1092, 1162, 1209, 1240, 1245, 1302, 1365, 1560, 1612, 1660, 1736, 1743, 1820, 1860, 1992, 2015, 2158, 2170, 2184, 2324, 2418, 2490, 2573, 2604, 2730, 2821, 2905, 3224, 3237, 3255, 3320, 3486, 3640, 3720, 4030, 4316, 4340, 4648, 4836, 4980, 5146, 5208, 5395, 5460, 5642, 5810, 6045, 6474, 6510, 6972, 7553, 7719, 8060, 8463, 8632, 8680, 8715, 9672, 9960, 10292, 10790, 10920, 11284, 11620, 12090, 12865, 12948, 13020, 13944, 14105, 15106, 15438, 16120, 16185, 16926, 17430, 18011, 20584, 21580, 22568, 22659, 23240, 24180, 25730, 25896, 26040, 28210, 30212, 30876, 32370, 33449, 33852, 34860, 36022, 37765, 38595, 42315, 43160, 45318, 48360, 51460, 54033, 56420, 60424, 61752, 64740, 66898, 67704, 69720, 72044, 75530, 77190, 84630, 90055, 90636, 100347, 102920, 108066, 112840, 113295, 129480, 133796, 144088, 151060, 154380, 167245, 169260, 180110, 181272, 200694, 216132, 226590, 234143, 267592, 270165, 302120, 308760, 334490, 338520, 360220, 401388, 432264, 453180, 468286, 501735, 540330, 668980, 702429, 720440, 802776, 906360, 936572, 1003470, 1080660, 1170715, 1337960, 1404858, 1873144, 2006940, 2161320, 2341430, 2809716, 3512145, 4013880, 4682860, 5619432, 7024290, 9365720, 14048580, 28097160]

約数ペア:

[(1, 28097160), (2, 14048580), (3, 9365720), (4, 7024290), (5, 5619432), (6, 4682860), (7, 4013880), (8, 3512145), (10, 2809716), (12, 2341430), (13, 2161320), (14, 2006940), (15, 1873144), (20, 1404858), (21, 1337960), (24, 1170715), (26, 1080660), (28, 1003470), (30, 936572), (31, 906360), (35, 802776), (39, 720440), (40, 702429), (42, 668980), (52, 540330), (56, 501735), (60, 468286), (62, 453180), (65, 432264), (70, 401388), (78, 360220), (83, 338520), (84, 334490), (91, 308760), (93, 302120), (104, 270165), (105, 267592), (120, 234143), (124, 226590), (130, 216132), (140, 200694), (155, 181272), (156, 180110), (166, 169260), (168, 167245), (182, 154380), (186, 151060), (195, 144088), (210, 133796), (217, 129480), (248, 113295), (249, 112840), (260, 108066), (273, 102920), (280, 100347), (310, 90636), (312, 90055), (332, 84630), (364, 77190), (372, 75530), (390, 72044), (403, 69720), (415, 67704), (420, 66898), (434, 64740), (455, 61752), (465, 60424), (498, 56420), (520, 54033), (546, 51460), (581, 48360), (620, 45318), (651, 43160), (664, 42315), (728, 38595), (744, 37765), (780, 36022), (806, 34860), (830, 33852), (840, 33449), (868, 32370), (910, 30876), (930, 30212), (996, 28210), (1079, 26040), (1085, 25896), (1092, 25730), (1162, 24180), (1209, 23240), (1240, 22659), (1245, 22568), (1302, 21580), (1365, 20584), (1560, 18011), (1612, 17430), (1660, 16926), (1736, 16185), (1743, 16120), (1820, 15438), (1860, 15106), (1992, 14105), (2015, 13944), (2158, 13020), (2170, 12948), (2184, 12865), (2324, 12090), (2418, 11620), (2490, 11284), (2573, 10920), (2604, 10790), (2730, 10292), (2821, 9960), (2905, 9672), (3224, 8715), (3237, 8680), (3255, 8632), (3320, 8463), (3486, 8060), (3640, 7719), (3720, 7553), (4030, 6972), (4316, 6510), (4340, 6474), (4648, 6045), (4836, 5810), (4980, 5642), (5146, 5460), (5208, 5395)]