72420180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:929

約数の個数: 96

約数和(自身を含む): 232968960

約数和(自身を除く): 160548780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 420, 538, 641, 807, 1076, 1282, 1345, 1614, 1883, 1923, 2564, 2690, 3205, 3228, 3766, 3846, 4035, 4487, 5380, 5649, 6410, 7532, 7692, 8070, 8974, 9415, 9615, 11298, 12820, 13461, 16140, 17948, 18830, 19230, 22435, 22596, 26922, 28245, 37660, 38460, 44870, 53844, 56490, 67305, 89740, 112980, 134610, 172429, 269220, 344858, 517287, 689716, 862145, 1034574, 1207003, 1724290, 2069148, 2414006, 2586435, 3448580, 3621009, 4828012, 5172870, 6035015, 7242018, 10345740, 12070030, 14484036, 18105045, 24140060, 36210090, 72420180]

約数ペア:

[(1, 72420180), (2, 36210090), (3, 24140060), (4, 18105045), (5, 14484036), (6, 12070030), (7, 10345740), (10, 7242018), (12, 6035015), (14, 5172870), (15, 4828012), (20, 3621009), (21, 3448580), (28, 2586435), (30, 2414006), (35, 2069148), (42, 1724290), (60, 1207003), (70, 1034574), (84, 862145), (105, 689716), (140, 517287), (210, 344858), (269, 269220), (420, 172429), (538, 134610), (641, 112980), (807, 89740), (1076, 67305), (1282, 56490), (1345, 53844), (1614, 44870), (1883, 38460), (1923, 37660), (2564, 28245), (2690, 26922), (3205, 22596), (3228, 22435), (3766, 19230), (3846, 18830), (4035, 17948), (4487, 16140), (5380, 13461), (5649, 12820), (6410, 11298), (7532, 9615), (7692, 9415), (8070, 8974)]