15521100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 54163200

約数和(自身を除く): 38642100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 389, 399, 420, 475, 525, 532, 570, 665, 700, 778, 798, 950, 1050, 1140, 1167, 1330, 1425, 1556, 1596, 1900, 1945, 1995, 2100, 2334, 2660, 2723, 2850, 3325, 3890, 3990, 4668, 5446, 5700, 5835, 6650, 7391, 7780, 7980, 8169, 9725, 9975, 10892, 11670, 13300, 13615, 14782, 16338, 19450, 19950, 22173, 23340, 27230, 29175, 29564, 32676, 36955, 38900, 39900, 40845, 44346, 51737, 54460, 58350, 68075, 73910, 81690, 88692, 103474, 110865, 116700, 136150, 147820, 155211, 163380, 184775, 204225, 206948, 221730, 258685, 272300, 310422, 369550, 408450, 443460, 517370, 554325, 620844, 739100, 776055, 816900, 1034740, 1108650, 1293425, 1552110, 2217300, 2586850, 3104220, 3880275, 5173700, 7760550, 15521100]

約数ペア:

[(1, 15521100), (2, 7760550), (3, 5173700), (4, 3880275), (5, 3104220), (6, 2586850), (7, 2217300), (10, 1552110), (12, 1293425), (14, 1108650), (15, 1034740), (19, 816900), (20, 776055), (21, 739100), (25, 620844), (28, 554325), (30, 517370), (35, 443460), (38, 408450), (42, 369550), (50, 310422), (57, 272300), (60, 258685), (70, 221730), (75, 206948), (76, 204225), (84, 184775), (95, 163380), (100, 155211), (105, 147820), (114, 136150), (133, 116700), (140, 110865), (150, 103474), (175, 88692), (190, 81690), (210, 73910), (228, 68075), (266, 58350), (285, 54460), (300, 51737), (350, 44346), (380, 40845), (389, 39900), (399, 38900), (420, 36955), (475, 32676), (525, 29564), (532, 29175), (570, 27230), (665, 23340), (700, 22173), (778, 19950), (798, 19450), (950, 16338), (1050, 14782), (1140, 13615), (1167, 13300), (1330, 11670), (1425, 10892), (1556, 9975), (1596, 9725), (1900, 8169), (1945, 7980), (1995, 7780), (2100, 7391), (2334, 6650), (2660, 5835), (2723, 5700), (2850, 5446), (3325, 4668), (3890, 3990)]