2221649640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4139}}^1$

素因数の和:4237

約数の個数: 256

約数和(自身を含む): 8584704000

約数和(自身を除く): 6363054360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 315, 355, 360, 378, 420, 426, 497, 504, 540, 568, 630, 639, 710, 756, 840, 852, 945, 994, 1065, 1080, 1260, 1278, 1420, 1491, 1512, 1704, 1890, 1917, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3780, 3834, 3976, 4139, 4260, 4473, 4970, 5112, 5964, 6390, 7455, 7560, 7668, 8278, 8520, 8946, 9585, 9940, 11928, 12417, 12780, 13419, 14910, 15336, 16556, 17892, 19170, 19880, 20695, 22365, 24834, 25560, 26838, 28973, 29820, 33112, 35784, 37251, 38340, 41390, 44730, 49668, 53676, 57946, 59640, 62085, 67095, 74502, 76680, 82780, 86919, 89460, 99336, 107352, 111753, 115892, 124170, 134190, 144865, 149004, 165560, 173838, 178920, 186255, 223506, 231784, 248340, 260757, 268380, 289730, 293869, 298008, 347676, 372510, 434595, 447012, 496680, 521514, 536760, 558765, 579460, 587738, 695352, 745020, 782271, 869190, 881607, 894024, 1043028, 1117530, 1158920, 1175476, 1303785, 1469345, 1490040, 1564542, 1738380, 1763214, 2057083, 2086056, 2235060, 2350952, 2607570, 2644821, 2938690, 3129084, 3476760, 3526428, 3911355, 4114166, 4408035, 4470120, 5215140, 5289642, 5877380, 6171249, 6258168, 7052856, 7822710, 7934463, 8228332, 8816070, 10285415, 10430280, 10579284, 11754760, 12342498, 13224105, 15645420, 15868926, 16456664, 17632140, 18513747, 20570830, 21158568, 24684996, 26448210, 30856245, 31290840, 31737852, 35264280, 37027494, 39672315, 41141660, 49369992, 52896420, 55541241, 61712490, 63475704, 74054988, 79344630, 82283320, 92568735, 105792840, 111082482, 123424980, 148109976, 158689260, 185137470, 222164964, 246849960, 277706205, 317378520, 370274940, 444329928, 555412410, 740549880, 1110824820, 2221649640]

約数ペア:

[(1, 2221649640), (2, 1110824820), (3, 740549880), (4, 555412410), (5, 444329928), (6, 370274940), (7, 317378520), (8, 277706205), (9, 246849960), (10, 222164964), (12, 185137470), (14, 158689260), (15, 148109976), (18, 123424980), (20, 111082482), (21, 105792840), (24, 92568735), (27, 82283320), (28, 79344630), (30, 74054988), (35, 63475704), (36, 61712490), (40, 55541241), (42, 52896420), (45, 49369992), (54, 41141660), (56, 39672315), (60, 37027494), (63, 35264280), (70, 31737852), (71, 31290840), (72, 30856245), (84, 26448210), (90, 24684996), (105, 21158568), (108, 20570830), (120, 18513747), (126, 17632140), (135, 16456664), (140, 15868926), (142, 15645420), (168, 13224105), (180, 12342498), (189, 11754760), (210, 10579284), (213, 10430280), (216, 10285415), (252, 8816070), (270, 8228332), (280, 7934463), (284, 7822710), (315, 7052856), (355, 6258168), (360, 6171249), (378, 5877380), (420, 5289642), (426, 5215140), (497, 4470120), (504, 4408035), (540, 4114166), (568, 3911355), (630, 3526428), (639, 3476760), (710, 3129084), (756, 2938690), (840, 2644821), (852, 2607570), (945, 2350952), (994, 2235060), (1065, 2086056), (1080, 2057083), (1260, 1763214), (1278, 1738380), (1420, 1564542), (1491, 1490040), (1512, 1469345), (1704, 1303785), (1890, 1175476), (1917, 1158920), (1988, 1117530), (2130, 1043028), (2485, 894024), (2520, 881607), (2556, 869190), (2840, 782271), (2982, 745020), (3195, 695352), (3780, 587738), (3834, 579460), (3976, 558765), (4139, 536760), (4260, 521514), (4473, 496680), (4970, 447012), (5112, 434595), (5964, 372510), (6390, 347676), (7455, 298008), (7560, 293869), (7668, 289730), (8278, 268380), (8520, 260757), (8946, 248340), (9585, 231784), (9940, 223506), (11928, 186255), (12417, 178920), (12780, 173838), (13419, 165560), (14910, 149004), (15336, 144865), (16556, 134190), (17892, 124170), (19170, 115892), (19880, 111753), (20695, 107352), (22365, 99336), (24834, 89460), (25560, 86919), (26838, 82780), (28973, 76680), (29820, 74502), (33112, 67095), (35784, 62085), (37251, 59640), (38340, 57946), (41390, 53676), (44730, 49668)]