28796400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 180

約数和(自身を含む): 105440920

約数和(自身を除く): 76644520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 421, 450, 456, 475, 570, 600, 684, 720, 760, 842, 855, 900, 912, 950, 1140, 1200, 1263, 1368, 1425, 1520, 1684, 1710, 1800, 1900, 2105, 2280, 2526, 2736, 2850, 3368, 3420, 3600, 3789, 3800, 4210, 4275, 4560, 5052, 5700, 6315, 6736, 6840, 7578, 7600, 7999, 8420, 8550, 10104, 10525, 11400, 12630, 13680, 15156, 15998, 16840, 17100, 18945, 20208, 21050, 22800, 23997, 25260, 30312, 31575, 31996, 33680, 34200, 37890, 39995, 42100, 47994, 50520, 60624, 63150, 63992, 68400, 71991, 75780, 79990, 84200, 94725, 95988, 101040, 119985, 126300, 127984, 143982, 151560, 159980, 168400, 189450, 191976, 199975, 239970, 252600, 287964, 303120, 319960, 359955, 378900, 383952, 399950, 479940, 505200, 575928, 599925, 639920, 719910, 757800, 799900, 959880, 1151856, 1199850, 1439820, 1515600, 1599800, 1799775, 1919760, 2399700, 2879640, 3199600, 3599550, 4799400, 5759280, 7199100, 9598800, 14398200, 28796400]

約数ペア:

[(1, 28796400), (2, 14398200), (3, 9598800), (4, 7199100), (5, 5759280), (6, 4799400), (8, 3599550), (9, 3199600), (10, 2879640), (12, 2399700), (15, 1919760), (16, 1799775), (18, 1599800), (19, 1515600), (20, 1439820), (24, 1199850), (25, 1151856), (30, 959880), (36, 799900), (38, 757800), (40, 719910), (45, 639920), (48, 599925), (50, 575928), (57, 505200), (60, 479940), (72, 399950), (75, 383952), (76, 378900), (80, 359955), (90, 319960), (95, 303120), (100, 287964), (114, 252600), (120, 239970), (144, 199975), (150, 191976), (152, 189450), (171, 168400), (180, 159980), (190, 151560), (200, 143982), (225, 127984), (228, 126300), (240, 119985), (285, 101040), (300, 95988), (304, 94725), (342, 84200), (360, 79990), (380, 75780), (400, 71991), (421, 68400), (450, 63992), (456, 63150), (475, 60624), (570, 50520), (600, 47994), (684, 42100), (720, 39995), (760, 37890), (842, 34200), (855, 33680), (900, 31996), (912, 31575), (950, 30312), (1140, 25260), (1200, 23997), (1263, 22800), (1368, 21050), (1425, 20208), (1520, 18945), (1684, 17100), (1710, 16840), (1800, 15998), (1900, 15156), (2105, 13680), (2280, 12630), (2526, 11400), (2736, 10525), (2850, 10104), (3368, 8550), (3420, 8420), (3600, 7999), (3789, 7600), (3800, 7578), (4210, 6840), (4275, 6736), (4560, 6315), (5052, 5700)]