15281700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 53329920

約数和(自身を除く): 38048220

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, 383, 399, 420, 475, 525, 532, 570, 665, 700, 766, 798, 950, 1050, 1140, 1149, 1330, 1425, 1532, 1596, 1900, 1915, 1995, 2100, 2298, 2660, 2681, 2850, 3325, 3830, 3990, 4596, 5362, 5700, 5745, 6650, 7277, 7660, 7980, 8043, 9575, 9975, 10724, 11490, 13300, 13405, 14554, 16086, 19150, 19950, 21831, 22980, 26810, 28725, 29108, 32172, 36385, 38300, 39900, 40215, 43662, 50939, 53620, 57450, 67025, 72770, 80430, 87324, 101878, 109155, 114900, 134050, 145540, 152817, 160860, 181925, 201075, 203756, 218310, 254695, 268100, 305634, 363850, 402150, 436620, 509390, 545775, 611268, 727700, 764085, 804300, 1018780, 1091550, 1273475, 1528170, 2183100, 2546950, 3056340, 3820425, 5093900, 7640850, 15281700]

約数ペア:

[(1, 15281700), (2, 7640850), (3, 5093900), (4, 3820425), (5, 3056340), (6, 2546950), (7, 2183100), (10, 1528170), (12, 1273475), (14, 1091550), (15, 1018780), (19, 804300), (20, 764085), (21, 727700), (25, 611268), (28, 545775), (30, 509390), (35, 436620), (38, 402150), (42, 363850), (50, 305634), (57, 268100), (60, 254695), (70, 218310), (75, 203756), (76, 201075), (84, 181925), (95, 160860), (100, 152817), (105, 145540), (114, 134050), (133, 114900), (140, 109155), (150, 101878), (175, 87324), (190, 80430), (210, 72770), (228, 67025), (266, 57450), (285, 53620), (300, 50939), (350, 43662), (380, 40215), (383, 39900), (399, 38300), (420, 36385), (475, 32172), (525, 29108), (532, 28725), (570, 26810), (665, 22980), (700, 21831), (766, 19950), (798, 19150), (950, 16086), (1050, 14554), (1140, 13405), (1149, 13300), (1330, 11490), (1425, 10724), (1532, 9975), (1596, 9575), (1900, 8043), (1915, 7980), (1995, 7660), (2100, 7277), (2298, 6650), (2660, 5745), (2681, 5700), (2850, 5362), (3325, 4596), (3830, 3990)]