31404630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^2$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 77195952

約数和(自身を除く): 45791322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 131, 183, 262, 305, 366, 393, 610, 655, 786, 915, 1310, 1830, 1965, 3930, 7991, 15982, 17161, 23973, 34322, 39955, 47946, 51483, 79910, 85805, 102966, 119865, 171610, 239730, 257415, 514830, 1046821, 2093642, 3140463, 5234105, 6280926, 10468210, 15702315, 31404630]

約数ペア:

[(1, 31404630), (2, 15702315), (3, 10468210), (5, 6280926), (6, 5234105), (10, 3140463), (15, 2093642), (30, 1046821), (61, 514830), (122, 257415), (131, 239730), (183, 171610), (262, 119865), (305, 102966), (366, 85805), (393, 79910), (610, 51483), (655, 47946), (786, 39955), (915, 34322), (1310, 23973), (1830, 17161), (1965, 15982), (3930, 7991)]