81952980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 235872000

約数和(自身を除く): 153919020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 103, 149, 178, 206, 267, 298, 309, 356, 412, 445, 447, 515, 534, 596, 618, 745, 890, 894, 1030, 1068, 1236, 1335, 1490, 1545, 1780, 1788, 2060, 2235, 2670, 2980, 3090, 4470, 5340, 6180, 8940, 9167, 13261, 15347, 18334, 26522, 27501, 30694, 36668, 39783, 45835, 46041, 53044, 55002, 61388, 66305, 76735, 79566, 91670, 92082, 110004, 132610, 137505, 153470, 159132, 183340, 184164, 198915, 230205, 265220, 275010, 306940, 397830, 460410, 550020, 795660, 920820, 1365883, 2731766, 4097649, 5463532, 6829415, 8195298, 13658830, 16390596, 20488245, 27317660, 40976490, 81952980]

約数ペア:

[(1, 81952980), (2, 40976490), (3, 27317660), (4, 20488245), (5, 16390596), (6, 13658830), (10, 8195298), (12, 6829415), (15, 5463532), (20, 4097649), (30, 2731766), (60, 1365883), (89, 920820), (103, 795660), (149, 550020), (178, 460410), (206, 397830), (267, 306940), (298, 275010), (309, 265220), (356, 230205), (412, 198915), (445, 184164), (447, 183340), (515, 159132), (534, 153470), (596, 137505), (618, 132610), (745, 110004), (890, 92082), (894, 91670), (1030, 79566), (1068, 76735), (1236, 66305), (1335, 61388), (1490, 55002), (1545, 53044), (1780, 46041), (1788, 45835), (2060, 39783), (2235, 36668), (2670, 30694), (2980, 27501), (3090, 26522), (4470, 18334), (5340, 15347), (6180, 13261), (8940, 9167)]