28174720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 81273600

約数和(自身を除く): 53098880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 331, 380, 448, 532, 560, 608, 640, 662, 665, 760, 896, 1064, 1120, 1216, 1324, 1330, 1520, 1655, 2128, 2240, 2317, 2432, 2648, 2660, 3040, 3310, 4256, 4480, 4634, 5296, 5320, 6080, 6289, 6620, 8512, 9268, 10592, 10640, 11585, 12160, 12578, 13240, 17024, 18536, 21184, 21280, 23170, 25156, 26480, 31445, 37072, 42368, 42560, 44023, 46340, 50312, 52960, 62890, 74144, 85120, 88046, 92680, 100624, 105920, 125780, 148288, 176092, 185360, 201248, 211840, 220115, 251560, 296576, 352184, 370720, 402496, 440230, 503120, 704368, 741440, 804992, 880460, 1006240, 1408736, 1482880, 1760920, 2012480, 2817472, 3521840, 4024960, 5634944, 7043680, 14087360, 28174720]

約数ペア:

[(1, 28174720), (2, 14087360), (4, 7043680), (5, 5634944), (7, 4024960), (8, 3521840), (10, 2817472), (14, 2012480), (16, 1760920), (19, 1482880), (20, 1408736), (28, 1006240), (32, 880460), (35, 804992), (38, 741440), (40, 704368), (56, 503120), (64, 440230), (70, 402496), (76, 370720), (80, 352184), (95, 296576), (112, 251560), (128, 220115), (133, 211840), (140, 201248), (152, 185360), (160, 176092), (190, 148288), (224, 125780), (266, 105920), (280, 100624), (304, 92680), (320, 88046), (331, 85120), (380, 74144), (448, 62890), (532, 52960), (560, 50312), (608, 46340), (640, 44023), (662, 42560), (665, 42368), (760, 37072), (896, 31445), (1064, 26480), (1120, 25156), (1216, 23170), (1324, 21280), (1330, 21184), (1520, 18536), (1655, 17024), (2128, 13240), (2240, 12578), (2317, 12160), (2432, 11585), (2648, 10640), (2660, 10592), (3040, 9268), (3310, 8512), (4256, 6620), (4480, 6289), (4634, 6080), (5296, 5320)]