25916760

素因数分解:

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

素因数の和:463

約数の個数: 160

約数和(自身を含む): 91911600

約数和(自身を除く): 65994840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 421, 456, 513, 540, 570, 648, 684, 760, 810, 842, 855, 1026, 1080, 1140, 1263, 1368, 1539, 1620, 1684, 1710, 2052, 2105, 2280, 2526, 2565, 3078, 3240, 3368, 3420, 3789, 4104, 4210, 5052, 5130, 6156, 6315, 6840, 7578, 7695, 7999, 8420, 10104, 10260, 11367, 12312, 12630, 15156, 15390, 15998, 16840, 18945, 20520, 22734, 23997, 25260, 30312, 30780, 31996, 34101, 37890, 39995, 45468, 47994, 50520, 56835, 61560, 63992, 68202, 71991, 75780, 79990, 90936, 95988, 113670, 119985, 136404, 143982, 151560, 159980, 170505, 191976, 215973, 227340, 239970, 272808, 287964, 319960, 341010, 359955, 431946, 454680, 479940, 575928, 647919, 682020, 719910, 863892, 959880, 1079865, 1295838, 1364040, 1439820, 1727784, 2159730, 2591676, 2879640, 3239595, 4319460, 5183352, 6479190, 8638920, 12958380, 25916760]

約数ペア:

[(1, 25916760), (2, 12958380), (3, 8638920), (4, 6479190), (5, 5183352), (6, 4319460), (8, 3239595), (9, 2879640), (10, 2591676), (12, 2159730), (15, 1727784), (18, 1439820), (19, 1364040), (20, 1295838), (24, 1079865), (27, 959880), (30, 863892), (36, 719910), (38, 682020), (40, 647919), (45, 575928), (54, 479940), (57, 454680), (60, 431946), (72, 359955), (76, 341010), (81, 319960), (90, 287964), (95, 272808), (108, 239970), (114, 227340), (120, 215973), (135, 191976), (152, 170505), (162, 159980), (171, 151560), (180, 143982), (190, 136404), (216, 119985), (228, 113670), (270, 95988), (285, 90936), (324, 79990), (342, 75780), (360, 71991), (380, 68202), (405, 63992), (421, 61560), (456, 56835), (513, 50520), (540, 47994), (570, 45468), (648, 39995), (684, 37890), (760, 34101), (810, 31996), (842, 30780), (855, 30312), (1026, 25260), (1080, 23997), (1140, 22734), (1263, 20520), (1368, 18945), (1539, 16840), (1620, 15998), (1684, 15390), (1710, 15156), (2052, 12630), (2105, 12312), (2280, 11367), (2526, 10260), (2565, 10104), (3078, 8420), (3240, 7999), (3368, 7695), (3420, 7578), (3789, 6840), (4104, 6315), (4210, 6156), (5052, 5130)]