15840300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 55274240

約数和(自身を除く): 39433940

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, 397, 399, 420, 475, 525, 532, 570, 665, 700, 794, 798, 950, 1050, 1140, 1191, 1330, 1425, 1588, 1596, 1900, 1985, 1995, 2100, 2382, 2660, 2779, 2850, 3325, 3970, 3990, 4764, 5558, 5700, 5955, 6650, 7543, 7940, 7980, 8337, 9925, 9975, 11116, 11910, 13300, 13895, 15086, 16674, 19850, 19950, 22629, 23820, 27790, 29775, 30172, 33348, 37715, 39700, 39900, 41685, 45258, 52801, 55580, 59550, 69475, 75430, 83370, 90516, 105602, 113145, 119100, 138950, 150860, 158403, 166740, 188575, 208425, 211204, 226290, 264005, 277900, 316806, 377150, 416850, 452580, 528010, 565725, 633612, 754300, 792015, 833700, 1056020, 1131450, 1320025, 1584030, 2262900, 2640050, 3168060, 3960075, 5280100, 7920150, 15840300]

約数ペア:

[(1, 15840300), (2, 7920150), (3, 5280100), (4, 3960075), (5, 3168060), (6, 2640050), (7, 2262900), (10, 1584030), (12, 1320025), (14, 1131450), (15, 1056020), (19, 833700), (20, 792015), (21, 754300), (25, 633612), (28, 565725), (30, 528010), (35, 452580), (38, 416850), (42, 377150), (50, 316806), (57, 277900), (60, 264005), (70, 226290), (75, 211204), (76, 208425), (84, 188575), (95, 166740), (100, 158403), (105, 150860), (114, 138950), (133, 119100), (140, 113145), (150, 105602), (175, 90516), (190, 83370), (210, 75430), (228, 69475), (266, 59550), (285, 55580), (300, 52801), (350, 45258), (380, 41685), (397, 39900), (399, 39700), (420, 37715), (475, 33348), (525, 30172), (532, 29775), (570, 27790), (665, 23820), (700, 22629), (794, 19950), (798, 19850), (950, 16674), (1050, 15086), (1140, 13895), (1191, 13300), (1330, 11910), (1425, 11116), (1588, 9975), (1596, 9925), (1900, 8337), (1985, 7980), (1995, 7940), (2100, 7543), (2382, 6650), (2660, 5955), (2779, 5700), (2850, 5558), (3325, 4764), (3970, 3990)]