7947030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 24385536

約数和(自身を除く): 16438506

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 41, 42, 65, 70, 71, 78, 82, 91, 105, 123, 130, 142, 182, 195, 205, 210, 213, 246, 273, 287, 355, 390, 410, 426, 455, 497, 533, 546, 574, 615, 710, 861, 910, 923, 994, 1065, 1066, 1230, 1365, 1435, 1491, 1599, 1722, 1846, 2130, 2485, 2665, 2730, 2769, 2870, 2911, 2982, 3198, 3731, 4305, 4615, 4970, 5330, 5538, 5822, 6461, 7455, 7462, 7995, 8610, 8733, 9230, 11193, 12922, 13845, 14555, 14910, 15990, 17466, 18655, 19383, 20377, 22386, 27690, 29110, 32305, 37310, 37843, 38766, 40754, 43665, 55965, 61131, 64610, 75686, 87330, 96915, 101885, 111930, 113529, 122262, 189215, 193830, 203770, 227058, 264901, 305655, 378430, 529802, 567645, 611310, 794703, 1135290, 1324505, 1589406, 2649010, 3973515, 7947030]

約数ペア:

[(1, 7947030), (2, 3973515), (3, 2649010), (5, 1589406), (6, 1324505), (7, 1135290), (10, 794703), (13, 611310), (14, 567645), (15, 529802), (21, 378430), (26, 305655), (30, 264901), (35, 227058), (39, 203770), (41, 193830), (42, 189215), (65, 122262), (70, 113529), (71, 111930), (78, 101885), (82, 96915), (91, 87330), (105, 75686), (123, 64610), (130, 61131), (142, 55965), (182, 43665), (195, 40754), (205, 38766), (210, 37843), (213, 37310), (246, 32305), (273, 29110), (287, 27690), (355, 22386), (390, 20377), (410, 19383), (426, 18655), (455, 17466), (497, 15990), (533, 14910), (546, 14555), (574, 13845), (615, 12922), (710, 11193), (861, 9230), (910, 8733), (923, 8610), (994, 7995), (1065, 7462), (1066, 7455), (1230, 6461), (1365, 5822), (1435, 5538), (1491, 5330), (1599, 4970), (1722, 4615), (1846, 4305), (2130, 3731), (2485, 3198), (2665, 2982), (2730, 2911), (2769, 2870)]