87819900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 288

約数和(自身を含む): 319979520

約数和(自身を除く): 232159620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 31, 35, 38, 42, 50, 57, 60, 62, 70, 71, 75, 76, 84, 93, 95, 100, 105, 114, 124, 133, 140, 142, 150, 155, 175, 186, 190, 210, 213, 217, 228, 266, 284, 285, 300, 310, 350, 355, 372, 380, 399, 420, 426, 434, 465, 475, 497, 525, 532, 570, 589, 620, 651, 665, 700, 710, 775, 798, 852, 868, 930, 950, 994, 1050, 1065, 1085, 1140, 1178, 1302, 1330, 1349, 1420, 1425, 1491, 1550, 1596, 1767, 1775, 1860, 1900, 1988, 1995, 2100, 2130, 2170, 2201, 2325, 2356, 2485, 2604, 2660, 2698, 2850, 2945, 2982, 3100, 3255, 3325, 3534, 3550, 3990, 4047, 4123, 4260, 4340, 4402, 4650, 4970, 5325, 5396, 5425, 5700, 5890, 5964, 6510, 6603, 6650, 6745, 7068, 7100, 7455, 7980, 8094, 8246, 8804, 8835, 9300, 9443, 9940, 9975, 10650, 10850, 11005, 11780, 12369, 12425, 13020, 13206, 13300, 13490, 14725, 14910, 15407, 16188, 16275, 16492, 17670, 18886, 19950, 20235, 20615, 21300, 21700, 22010, 24738, 24850, 26412, 26980, 28329, 29450, 29820, 30814, 32550, 33015, 33725, 35340, 37275, 37772, 39900, 40470, 41230, 41819, 44020, 44175, 46221, 47215, 49476, 49700, 55025, 56658, 58900, 61628, 61845, 65100, 66030, 67450, 74550, 77035, 80940, 82460, 83638, 88350, 92442, 94430, 101175, 103075, 110050, 113316, 123690, 125457, 132060, 134900, 141645, 149100, 154070, 165075, 167276, 176700, 184884, 188860, 202350, 206150, 209095, 220100, 231105, 236075, 247380, 250914, 283290, 292733, 308140, 309225, 330150, 385175, 404700, 412300, 418190, 462210, 472150, 501828, 566580, 585466, 618450, 627285, 660300, 708225, 770350, 836380, 878199, 924420, 944300, 1045475, 1155525, 1170932, 1236900, 1254570, 1416450, 1463665, 1540700, 1756398, 2090950, 2311050, 2509140, 2832900, 2927330, 3136425, 3512796, 4181900, 4390995, 4622100, 5854660, 6272850, 7318325, 8781990, 12545700, 14636650, 17563980, 21954975, 29273300, 43909950, 87819900]

約数ペア:

[(1, 87819900), (2, 43909950), (3, 29273300), (4, 21954975), (5, 17563980), (6, 14636650), (7, 12545700), (10, 8781990), (12, 7318325), (14, 6272850), (15, 5854660), (19, 4622100), (20, 4390995), (21, 4181900), (25, 3512796), (28, 3136425), (30, 2927330), (31, 2832900), (35, 2509140), (38, 2311050), (42, 2090950), (50, 1756398), (57, 1540700), (60, 1463665), (62, 1416450), (70, 1254570), (71, 1236900), (75, 1170932), (76, 1155525), (84, 1045475), (93, 944300), (95, 924420), (100, 878199), (105, 836380), (114, 770350), (124, 708225), (133, 660300), (140, 627285), (142, 618450), (150, 585466), (155, 566580), (175, 501828), (186, 472150), (190, 462210), (210, 418190), (213, 412300), (217, 404700), (228, 385175), (266, 330150), (284, 309225), (285, 308140), (300, 292733), (310, 283290), (350, 250914), (355, 247380), (372, 236075), (380, 231105), (399, 220100), (420, 209095), (426, 206150), (434, 202350), (465, 188860), (475, 184884), (497, 176700), (525, 167276), (532, 165075), (570, 154070), (589, 149100), (620, 141645), (651, 134900), (665, 132060), (700, 125457), (710, 123690), (775, 113316), (798, 110050), (852, 103075), (868, 101175), (930, 94430), (950, 92442), (994, 88350), (1050, 83638), (1065, 82460), (1085, 80940), (1140, 77035), (1178, 74550), (1302, 67450), (1330, 66030), (1349, 65100), (1420, 61845), (1425, 61628), (1491, 58900), (1550, 56658), (1596, 55025), (1767, 49700), (1775, 49476), (1860, 47215), (1900, 46221), (1988, 44175), (1995, 44020), (2100, 41819), (2130, 41230), (2170, 40470), (2201, 39900), (2325, 37772), (2356, 37275), (2485, 35340), (2604, 33725), (2660, 33015), (2698, 32550), (2850, 30814), (2945, 29820), (2982, 29450), (3100, 28329), (3255, 26980), (3325, 26412), (3534, 24850), (3550, 24738), (3990, 22010), (4047, 21700), (4123, 21300), (4260, 20615), (4340, 20235), (4402, 19950), (4650, 18886), (4970, 17670), (5325, 16492), (5396, 16275), (5425, 16188), (5700, 15407), (5890, 14910), (5964, 14725), (6510, 13490), (6603, 13300), (6650, 13206), (6745, 13020), (7068, 12425), (7100, 12369), (7455, 11780), (7980, 11005), (8094, 10850), (8246, 10650), (8804, 9975), (8835, 9940), (9300, 9443)]