31775220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 104973120

約数和(自身を除く): 73197900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 163, 171, 180, 190, 228, 270, 285, 326, 342, 361, 380, 489, 513, 540, 570, 652, 684, 722, 815, 855, 978, 1026, 1083, 1140, 1444, 1467, 1630, 1710, 1805, 1956, 2052, 2166, 2445, 2565, 2934, 3097, 3249, 3260, 3420, 3610, 4332, 4401, 4890, 5130, 5415, 5868, 6194, 6498, 7220, 7335, 8802, 9291, 9747, 9780, 10260, 10830, 12388, 12996, 14670, 15485, 16245, 17604, 18582, 19494, 21660, 22005, 27873, 29340, 30970, 32490, 37164, 38988, 44010, 46455, 48735, 55746, 58843, 61940, 64980, 83619, 88020, 92910, 97470, 111492, 117686, 139365, 167238, 176529, 185820, 194940, 235372, 278730, 294215, 334476, 353058, 418095, 529587, 557460, 588430, 706116, 836190, 882645, 1059174, 1176860, 1588761, 1672380, 1765290, 2118348, 2647935, 3177522, 3530580, 5295870, 6355044, 7943805, 10591740, 15887610, 31775220]

約数ペア:

[(1, 31775220), (2, 15887610), (3, 10591740), (4, 7943805), (5, 6355044), (6, 5295870), (9, 3530580), (10, 3177522), (12, 2647935), (15, 2118348), (18, 1765290), (19, 1672380), (20, 1588761), (27, 1176860), (30, 1059174), (36, 882645), (38, 836190), (45, 706116), (54, 588430), (57, 557460), (60, 529587), (76, 418095), (90, 353058), (95, 334476), (108, 294215), (114, 278730), (135, 235372), (163, 194940), (171, 185820), (180, 176529), (190, 167238), (228, 139365), (270, 117686), (285, 111492), (326, 97470), (342, 92910), (361, 88020), (380, 83619), (489, 64980), (513, 61940), (540, 58843), (570, 55746), (652, 48735), (684, 46455), (722, 44010), (815, 38988), (855, 37164), (978, 32490), (1026, 30970), (1083, 29340), (1140, 27873), (1444, 22005), (1467, 21660), (1630, 19494), (1710, 18582), (1805, 17604), (1956, 16245), (2052, 15485), (2166, 14670), (2445, 12996), (2565, 12388), (2934, 10830), (3097, 10260), (3249, 9780), (3260, 9747), (3420, 9291), (3610, 8802), (4332, 7335), (4401, 7220), (4890, 6498), (5130, 6194), (5415, 5868)]