128385480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17539}}^1$

素因数の和:17614

約数の個数: 64

約数和(自身を含む): 391492800

約数和(自身を除く): 263107320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 17539, 35078, 52617, 70156, 87695, 105234, 140312, 175390, 210468, 263085, 350780, 420936, 526170, 701560, 1052340, 1069879, 2104680, 2139758, 3209637, 4279516, 5349395, 6419274, 8559032, 10698790, 12838548, 16048185, 21397580, 25677096, 32096370, 42795160, 64192740, 128385480]

約数ペア:

[(1, 128385480), (2, 64192740), (3, 42795160), (4, 32096370), (5, 25677096), (6, 21397580), (8, 16048185), (10, 12838548), (12, 10698790), (15, 8559032), (20, 6419274), (24, 5349395), (30, 4279516), (40, 3209637), (60, 2139758), (61, 2104680), (120, 1069879), (122, 1052340), (183, 701560), (244, 526170), (305, 420936), (366, 350780), (488, 263085), (610, 210468), (732, 175390), (915, 140312), (1220, 105234), (1464, 87695), (1830, 70156), (2440, 52617), (3660, 35078), (7320, 17539)]