72448740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4458

約数の個数: 144

約数和(自身を含む): 270536448

約数和(自身を除く): 198087708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4423, 5460, 8190, 8846, 13269, 16380, 17692, 22115, 26538, 30961, 39807, 44230, 53076, 57499, 61922, 66345, 79614, 88460, 92883, 114998, 123844, 132690, 154805, 159228, 172497, 185766, 199035, 229996, 265380, 278649, 287495, 309610, 344994, 371532, 398070, 402493, 464415, 517491, 557298, 574990, 619220, 689988, 796140, 804986, 862485, 928830, 1034982, 1114596, 1149980, 1207479, 1393245, 1609972, 1724970, 1857660, 2012465, 2069964, 2414958, 2587455, 2786490, 3449940, 3622437, 4024930, 4829916, 5174910, 5572980, 6037395, 7244874, 8049860, 10349820, 12074790, 14489748, 18112185, 24149580, 36224370, 72448740]

約数ペア:

[(1, 72448740), (2, 36224370), (3, 24149580), (4, 18112185), (5, 14489748), (6, 12074790), (7, 10349820), (9, 8049860), (10, 7244874), (12, 6037395), (13, 5572980), (14, 5174910), (15, 4829916), (18, 4024930), (20, 3622437), (21, 3449940), (26, 2786490), (28, 2587455), (30, 2414958), (35, 2069964), (36, 2012465), (39, 1857660), (42, 1724970), (45, 1609972), (52, 1393245), (60, 1207479), (63, 1149980), (65, 1114596), (70, 1034982), (78, 928830), (84, 862485), (90, 804986), (91, 796140), (105, 689988), (117, 619220), (126, 574990), (130, 557298), (140, 517491), (156, 464415), (180, 402493), (182, 398070), (195, 371532), (210, 344994), (234, 309610), (252, 287495), (260, 278649), (273, 265380), (315, 229996), (364, 199035), (390, 185766), (420, 172497), (455, 159228), (468, 154805), (546, 132690), (585, 123844), (630, 114998), (780, 92883), (819, 88460), (910, 79614), (1092, 66345), (1170, 61922), (1260, 57499), (1365, 53076), (1638, 44230), (1820, 39807), (2340, 30961), (2730, 26538), (3276, 22115), (4095, 17692), (4423, 16380), (5460, 13269), (8190, 8846)]