155080910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 299980800

約数和(自身を除く): 144899890

約数列:

[1, 2, 5, 10, 31, 59, 61, 62, 118, 122, 139, 155, 278, 295, 305, 310, 590, 610, 695, 1390, 1829, 1891, 3599, 3658, 3782, 4309, 7198, 8201, 8479, 8618, 9145, 9455, 16402, 16958, 17995, 18290, 18910, 21545, 35990, 41005, 42395, 43090, 82010, 84790, 111569, 223138, 254231, 262849, 500261, 508462, 525698, 557845, 1000522, 1115690, 1271155, 1314245, 2501305, 2542310, 2628490, 5002610, 15508091, 31016182, 77540455, 155080910]

約数ペア:

[(1, 155080910), (2, 77540455), (5, 31016182), (10, 15508091), (31, 5002610), (59, 2628490), (61, 2542310), (62, 2501305), (118, 1314245), (122, 1271155), (139, 1115690), (155, 1000522), (278, 557845), (295, 525698), (305, 508462), (310, 500261), (590, 262849), (610, 254231), (695, 223138), (1390, 111569), (1829, 84790), (1891, 82010), (3599, 43090), (3658, 42395), (3782, 41005), (4309, 35990), (7198, 21545), (8201, 18910), (8479, 18290), (8618, 17995), (9145, 16958), (9455, 16402)]