1320724220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{2753}}^1$

素因数の和:2879

約数の個数: 72

約数和(自身を含む): 2982846384

約数和(自身を除く): 1662122164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 289, 332, 340, 415, 578, 830, 1156, 1411, 1445, 1660, 2753, 2822, 2890, 5506, 5644, 5780, 7055, 11012, 13765, 14110, 23987, 27530, 28220, 46801, 47974, 55060, 93602, 95948, 119935, 187204, 228499, 234005, 239870, 456998, 468010, 479740, 795617, 913996, 936020, 1142495, 1591234, 2284990, 3182468, 3884483, 3978085, 4569980, 7768966, 7956170, 15537932, 15912340, 19422415, 38844830, 66036211, 77689660, 132072422, 264144844, 330181055, 660362110, 1320724220]

約数ペア:

[(1, 1320724220), (2, 660362110), (4, 330181055), (5, 264144844), (10, 132072422), (17, 77689660), (20, 66036211), (34, 38844830), (68, 19422415), (83, 15912340), (85, 15537932), (166, 7956170), (170, 7768966), (289, 4569980), (332, 3978085), (340, 3884483), (415, 3182468), (578, 2284990), (830, 1591234), (1156, 1142495), (1411, 936020), (1445, 913996), (1660, 795617), (2753, 479740), (2822, 468010), (2890, 456998), (5506, 239870), (5644, 234005), (5780, 228499), (7055, 187204), (11012, 119935), (13765, 95948), (14110, 93602), (23987, 55060), (27530, 47974), (28220, 46801)]