7872900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 27331584

約数和(自身を除く): 19458684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 163, 175, 210, 230, 276, 300, 322, 326, 345, 350, 420, 460, 483, 489, 525, 575, 644, 652, 690, 700, 805, 815, 966, 978, 1050, 1141, 1150, 1380, 1610, 1630, 1725, 1932, 1956, 2100, 2282, 2300, 2415, 2445, 3220, 3260, 3423, 3450, 3749, 4025, 4075, 4564, 4830, 4890, 5705, 6846, 6900, 7498, 8050, 8150, 9660, 9780, 11247, 11410, 12075, 12225, 13692, 14996, 16100, 16300, 17115, 18745, 22494, 22820, 24150, 24450, 26243, 28525, 34230, 37490, 44988, 48300, 48900, 52486, 56235, 57050, 68460, 74980, 78729, 85575, 93725, 104972, 112470, 114100, 131215, 157458, 171150, 187450, 224940, 262430, 281175, 314916, 342300, 374900, 393645, 524860, 562350, 656075, 787290, 1124700, 1312150, 1574580, 1968225, 2624300, 3936450, 7872900]

約数ペア:

[(1, 7872900), (2, 3936450), (3, 2624300), (4, 1968225), (5, 1574580), (6, 1312150), (7, 1124700), (10, 787290), (12, 656075), (14, 562350), (15, 524860), (20, 393645), (21, 374900), (23, 342300), (25, 314916), (28, 281175), (30, 262430), (35, 224940), (42, 187450), (46, 171150), (50, 157458), (60, 131215), (69, 114100), (70, 112470), (75, 104972), (84, 93725), (92, 85575), (100, 78729), (105, 74980), (115, 68460), (138, 57050), (140, 56235), (150, 52486), (161, 48900), (163, 48300), (175, 44988), (210, 37490), (230, 34230), (276, 28525), (300, 26243), (322, 24450), (326, 24150), (345, 22820), (350, 22494), (420, 18745), (460, 17115), (483, 16300), (489, 16100), (525, 14996), (575, 13692), (644, 12225), (652, 12075), (690, 11410), (700, 11247), (805, 9780), (815, 9660), (966, 8150), (978, 8050), (1050, 7498), (1141, 6900), (1150, 6846), (1380, 5705), (1610, 4890), (1630, 4830), (1725, 4564), (1932, 4075), (1956, 4025), (2100, 3749), (2282, 3450), (2300, 3423), (2415, 3260), (2445, 3220)]