16721007720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{517999}}^1$

素因数の和:518282

約数の個数: 64

約数和(自身を含む): 50349600000

約数和(自身を除く): 33628592280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 5380, 6456, 8070, 10760, 16140, 32280, 517999, 1035998, 1553997, 2071996, 2589995, 3107994, 4143992, 5179990, 6215988, 7769985, 10359980, 12431976, 15539970, 20719960, 31079940, 62159880, 139341731, 278683462, 418025193, 557366924, 696708655, 836050386, 1114733848, 1393417310, 1672100772, 2090125965, 2786834620, 3344201544, 4180251930, 5573669240, 8360503860, 16721007720]

約数ペア:

[(1, 16721007720), (2, 8360503860), (3, 5573669240), (4, 4180251930), (5, 3344201544), (6, 2786834620), (8, 2090125965), (10, 1672100772), (12, 1393417310), (15, 1114733848), (20, 836050386), (24, 696708655), (30, 557366924), (40, 418025193), (60, 278683462), (120, 139341731), (269, 62159880), (538, 31079940), (807, 20719960), (1076, 15539970), (1345, 12431976), (1614, 10359980), (2152, 7769985), (2690, 6215988), (3228, 5179990), (4035, 4143992), (5380, 3107994), (6456, 2589995), (8070, 2071996), (10760, 1553997), (16140, 1035998), (32280, 517999)]